diff --git a/runtime/vm/compiler/backend/flow_graph_compiler.h b/runtime/vm/compiler/backend/flow_graph_compiler.h
index d3420af..54e19ba 100644
--- a/runtime/vm/compiler/backend/flow_graph_compiler.h
+++ b/runtime/vm/compiler/backend/flow_graph_compiler.h
@@ -767,8 +767,7 @@
                        intptr_t total_ic_calls,
                        Code::EntryKind entry_kind = Code::EntryKind::kNormal);
 
-  void EmitDispatchTableCall(Register cid_reg,
-                             int32_t selector_offset,
+  void EmitDispatchTableCall(int32_t selector_offset,
                              const Array& arguments_descriptor);
 
   Condition EmitEqualityRegConstCompare(Register reg,
diff --git a/runtime/vm/compiler/backend/flow_graph_compiler_arm.cc b/runtime/vm/compiler/backend/flow_graph_compiler_arm.cc
index d9a48c0..d12a177 100644
--- a/runtime/vm/compiler/backend/flow_graph_compiler_arm.cc
+++ b/runtime/vm/compiler/backend/flow_graph_compiler_arm.cc
@@ -701,9 +701,9 @@
 }
 
 void FlowGraphCompiler::EmitDispatchTableCall(
-    Register cid_reg,
     int32_t selector_offset,
     const Array& arguments_descriptor) {
+  const auto cid_reg = DispatchTableNullErrorABI::kClassIdReg;
   ASSERT(CanCallDart());
   ASSERT(cid_reg != ARGS_DESC_REG);
   if (!arguments_descriptor.IsNull()) {
@@ -712,6 +712,9 @@
   intptr_t offset = (selector_offset - DispatchTable::OriginElement()) *
                     compiler::target::kWordSize;
   CLOBBERS_LR({
+    // Would like cid_reg to be available on entry to the target function
+    // for checking purposes.
+    ASSERT(cid_reg != LR);
     if (offset == 0) {
       __ ldr(LR, compiler::Address(DISPATCH_TABLE_REG, cid_reg, LSL,
                                    compiler::target::kWordSizeLog2));
diff --git a/runtime/vm/compiler/backend/flow_graph_compiler_arm64.cc b/runtime/vm/compiler/backend/flow_graph_compiler_arm64.cc
index 40347c7..9448800 100644
--- a/runtime/vm/compiler/backend/flow_graph_compiler_arm64.cc
+++ b/runtime/vm/compiler/backend/flow_graph_compiler_arm64.cc
@@ -694,18 +694,23 @@
 }
 
 void FlowGraphCompiler::EmitDispatchTableCall(
-    Register cid_reg,
     int32_t selector_offset,
     const Array& arguments_descriptor) {
+  const auto cid_reg = DispatchTableNullErrorABI::kClassIdReg;
   ASSERT(CanCallDart());
   ASSERT(cid_reg != ARGS_DESC_REG);
   if (!arguments_descriptor.IsNull()) {
     __ LoadObject(ARGS_DESC_REG, arguments_descriptor);
   }
   const intptr_t offset = selector_offset - DispatchTable::OriginElement();
-  __ AddImmediate(cid_reg, cid_reg, offset);
-  __ Call(compiler::Address(DISPATCH_TABLE_REG, cid_reg, UXTX,
-                            compiler::Address::Scaled));
+  CLOBBERS_LR({
+    // Would like cid_reg to be available on entry to the target function
+    // for checking purposes.
+    ASSERT(cid_reg != LR);
+    __ AddImmediate(LR, cid_reg, offset);
+    __ Call(compiler::Address(DISPATCH_TABLE_REG, LR, UXTX,
+                              compiler::Address::Scaled));
+  });
 }
 
 Condition FlowGraphCompiler::EmitEqualityRegConstCompare(
diff --git a/runtime/vm/compiler/backend/flow_graph_compiler_ia32.cc b/runtime/vm/compiler/backend/flow_graph_compiler_ia32.cc
index a4a2c64..09110ef 100644
--- a/runtime/vm/compiler/backend/flow_graph_compiler_ia32.cc
+++ b/runtime/vm/compiler/backend/flow_graph_compiler_ia32.cc
@@ -726,7 +726,6 @@
 }
 
 void FlowGraphCompiler::EmitDispatchTableCall(
-    Register cid_reg,
     int32_t selector_offset,
     const Array& arguments_descriptor) {
   // Only generated with precompilation.
diff --git a/runtime/vm/compiler/backend/flow_graph_compiler_x64.cc b/runtime/vm/compiler/backend/flow_graph_compiler_x64.cc
index 6b3f7c3..efbe4a5 100644
--- a/runtime/vm/compiler/backend/flow_graph_compiler_x64.cc
+++ b/runtime/vm/compiler/backend/flow_graph_compiler_x64.cc
@@ -682,9 +682,9 @@
 }
 
 void FlowGraphCompiler::EmitDispatchTableCall(
-    Register cid_reg,
     int32_t selector_offset,
     const Array& arguments_descriptor) {
+  const auto cid_reg = DispatchTableNullErrorABI::kClassIdReg;
   ASSERT(CanCallDart());
   const Register table_reg = RAX;
   ASSERT(cid_reg != table_reg);
diff --git a/runtime/vm/compiler/backend/il.cc b/runtime/vm/compiler/backend/il.cc
index 0a64dc3..2821fad 100644
--- a/runtime/vm/compiler/backend/il.cc
+++ b/runtime/vm/compiler/backend/il.cc
@@ -5042,16 +5042,26 @@
   return dispatch_table_call;
 }
 
+LocationSummary* DispatchTableCallInstr::MakeLocationSummary(Zone* zone,
+                                                             bool opt) const {
+  const intptr_t kNumInputs = 1;
+  const intptr_t kNumTemps = 0;
+  LocationSummary* summary = new (zone)
+      LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
+  summary->set_in(
+      0, Location::RegisterLocation(DispatchTableNullErrorABI::kClassIdReg));
+  return MakeCallSummary(zone, this, summary);
+}
+
 void DispatchTableCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  ASSERT(locs()->in(0).reg() == DispatchTableNullErrorABI::kClassIdReg);
   Array& arguments_descriptor = Array::ZoneHandle();
   if (selector()->requires_args_descriptor) {
     ArgumentsInfo args_info(type_args_len(), ArgumentCount(), ArgumentsSize(),
                             argument_names());
     arguments_descriptor = args_info.ToArgumentsDescriptor();
   }
-  const Register cid_reg = locs()->in(0).reg();
-  compiler->EmitDispatchTableCall(cid_reg, selector()->offset,
-                                  arguments_descriptor);
+  compiler->EmitDispatchTableCall(selector()->offset, arguments_descriptor);
   compiler->EmitCallsiteMetadata(source(), DeoptId::kNone,
                                  UntaggedPcDescriptors::kOther, locs());
   if (selector()->called_on_null && !selector()->on_null_interface) {
diff --git a/runtime/vm/compiler/backend/il_arm.cc b/runtime/vm/compiler/backend/il_arm.cc
index d795185..f14f74c 100644
--- a/runtime/vm/compiler/backend/il_arm.cc
+++ b/runtime/vm/compiler/backend/il_arm.cc
@@ -580,16 +580,6 @@
   }
 }
 
-LocationSummary* DispatchTableCallInstr::MakeLocationSummary(Zone* zone,
-                                                             bool opt) const {
-  const intptr_t kNumInputs = 1;
-  const intptr_t kNumTemps = 0;
-  LocationSummary* summary = new (zone)
-      LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
-  summary->set_in(0, Location::RegisterLocation(R0));  // ClassId
-  return MakeCallSummary(zone, this, summary);
-}
-
 LocationSummary* ClosureCallInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
diff --git a/runtime/vm/compiler/backend/il_arm64.cc b/runtime/vm/compiler/backend/il_arm64.cc
index 0e88877..6b18881 100644
--- a/runtime/vm/compiler/backend/il_arm64.cc
+++ b/runtime/vm/compiler/backend/il_arm64.cc
@@ -497,16 +497,6 @@
   }
 }
 
-LocationSummary* DispatchTableCallInstr::MakeLocationSummary(Zone* zone,
-                                                             bool opt) const {
-  const intptr_t kNumInputs = 1;
-  const intptr_t kNumTemps = 0;
-  LocationSummary* summary = new (zone)
-      LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
-  summary->set_in(0, Location::RegisterLocation(R0));  // ClassId
-  return MakeCallSummary(zone, this, summary);
-}
-
 LocationSummary* ClosureCallInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
diff --git a/runtime/vm/compiler/backend/il_ia32.cc b/runtime/vm/compiler/backend/il_ia32.cc
index 45a2ad9..900c929 100644
--- a/runtime/vm/compiler/backend/il_ia32.cc
+++ b/runtime/vm/compiler/backend/il_ia32.cc
@@ -6812,13 +6812,6 @@
   }
 }
 
-LocationSummary* DispatchTableCallInstr::MakeLocationSummary(Zone* zone,
-                                                             bool opt) const {
-  // Only generated with precompilation.
-  UNREACHABLE();
-  return NULL;
-}
-
 LocationSummary* ClosureCallInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
diff --git a/runtime/vm/compiler/backend/il_x64.cc b/runtime/vm/compiler/backend/il_x64.cc
index 681164a..5d55d70 100644
--- a/runtime/vm/compiler/backend/il_x64.cc
+++ b/runtime/vm/compiler/backend/il_x64.cc
@@ -7317,16 +7317,6 @@
                                                source(), deopt_id());
 }
 
-LocationSummary* DispatchTableCallInstr::MakeLocationSummary(Zone* zone,
-                                                             bool opt) const {
-  const intptr_t kNumInputs = 1;
-  const intptr_t kNumTemps = 0;
-  LocationSummary* summary = new (zone)
-      LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
-  summary->set_in(0, Location::RegisterLocation(RCX));  // ClassId
-  return MakeCallSummary(zone, this, summary);
-}
-
 LocationSummary* ClosureCallInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
diff --git a/runtime/vm/compiler/runtime_offsets_extracted.h b/runtime/vm/compiler/runtime_offsets_extracted.h
index 318cf08..efd12ee 100644
--- a/runtime/vm/compiler/runtime_offsets_extracted.h
+++ b/runtime/vm/compiler/runtime_offsets_extracted.h
@@ -224,9 +224,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    692;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     696;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    700;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 120;
 static constexpr dart::compiler::target::word
@@ -251,7 +251,7 @@
     Thread_allocate_object_slow_entry_point_offset = 288;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 196;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 732;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 736;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 332;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 112;
@@ -262,7 +262,7 @@
     Thread_call_to_runtime_entry_point_offset = 268;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 136;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 740;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 744;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 48;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -280,7 +280,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    712;
+    716;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 252;
 static constexpr dart::compiler::target::word
@@ -300,13 +300,13 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 364;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    700;
+    704;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 132;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    728;
+    732;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 44;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 744;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 748;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     68;
 static constexpr dart::compiler::target::word
@@ -348,11 +348,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 104;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 336;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 704;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 708;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 708;
+    Thread_saved_shadow_call_stack_offset = 712;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    716;
+    720;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 240;
 static constexpr dart::compiler::target::word
@@ -386,9 +386,9 @@
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     36;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 40;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 720;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 724;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 724;
+    Thread_callback_stack_return_offset = 728;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset = 8;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 12;
 static constexpr dart::compiler::target::word Type_arguments_offset = 16;
@@ -450,7 +450,7 @@
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        660, 664, 668, 672, 676, -1, 680, -1, 684, 688, -1, -1, -1, -1, -1, -1};
+        664, 668, 672, 676, 680, -1, 684, -1, 688, 692, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 12;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 8;
 static constexpr dart::compiler::target::word Array_InstanceSize = 12;
@@ -759,9 +759,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1400;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1408;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1416;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -787,7 +787,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -798,7 +798,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1496;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1504;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -816,7 +816,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1440;
+    1448;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -836,14 +836,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1416;
+    1424;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1472;
+    1480;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -885,11 +885,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1424;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1432;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1432;
+    Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1448;
+    1456;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -924,9 +924,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1464;
+    Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -989,8 +989,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -1297,9 +1297,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    660;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     664;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    668;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 120;
 static constexpr dart::compiler::target::word
@@ -1324,7 +1324,7 @@
     Thread_allocate_object_slow_entry_point_offset = 288;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 196;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 700;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 332;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 112;
@@ -1335,7 +1335,7 @@
     Thread_call_to_runtime_entry_point_offset = 268;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 136;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 708;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 712;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 48;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -1353,7 +1353,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    680;
+    684;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 252;
 static constexpr dart::compiler::target::word
@@ -1373,13 +1373,13 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 364;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    668;
+    672;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 132;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    696;
+    700;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 44;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 712;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 716;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     68;
 static constexpr dart::compiler::target::word
@@ -1421,11 +1421,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 104;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 336;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 672;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 676;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 676;
+    Thread_saved_shadow_call_stack_offset = 680;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    684;
+    688;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 240;
 static constexpr dart::compiler::target::word
@@ -1459,9 +1459,9 @@
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     36;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 40;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 688;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 692;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 692;
+    Thread_callback_stack_return_offset = 696;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset = 8;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 12;
 static constexpr dart::compiler::target::word Type_arguments_offset = 16;
@@ -1829,9 +1829,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1464;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1472;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1480;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -1857,7 +1857,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -1868,7 +1868,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1560;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1568;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -1886,7 +1886,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -1906,14 +1906,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1536;
+    1544;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -1955,11 +1955,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1488;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1496;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1496;
+    Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1512;
+    1520;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -1994,9 +1994,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1528;
+    Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -2059,9 +2059,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -2369,9 +2369,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1400;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1408;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1416;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -2397,7 +2397,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -2408,7 +2408,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1496;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1504;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -2426,7 +2426,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1440;
+    1448;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -2446,14 +2446,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1416;
+    1424;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1472;
+    1480;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -2495,11 +2495,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1424;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1432;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1432;
+    Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1448;
+    1456;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -2534,9 +2534,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1464;
+    Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -2599,8 +2599,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -2908,9 +2908,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1464;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1472;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1480;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -2936,7 +2936,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -2947,7 +2947,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1560;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1568;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -2965,7 +2965,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -2985,14 +2985,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1536;
+    1544;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -3034,11 +3034,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1488;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1496;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1496;
+    Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1512;
+    1520;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -3073,9 +3073,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1528;
+    Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -3138,9 +3138,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -3446,9 +3446,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    692;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     696;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    700;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 120;
 static constexpr dart::compiler::target::word
@@ -3473,7 +3473,7 @@
     Thread_allocate_object_slow_entry_point_offset = 288;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 196;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 732;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 736;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 332;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 112;
@@ -3484,7 +3484,7 @@
     Thread_call_to_runtime_entry_point_offset = 268;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 136;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 740;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 744;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 48;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -3502,7 +3502,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    712;
+    716;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 252;
 static constexpr dart::compiler::target::word
@@ -3522,13 +3522,13 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 364;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    700;
+    704;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 132;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    728;
+    732;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 44;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 744;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 748;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     68;
 static constexpr dart::compiler::target::word
@@ -3570,11 +3570,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 104;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 336;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 704;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 708;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 708;
+    Thread_saved_shadow_call_stack_offset = 712;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    716;
+    720;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 240;
 static constexpr dart::compiler::target::word
@@ -3608,9 +3608,9 @@
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     36;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 40;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 720;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 724;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 724;
+    Thread_callback_stack_return_offset = 728;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset = 8;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 12;
 static constexpr dart::compiler::target::word Type_arguments_offset = 16;
@@ -3669,7 +3669,7 @@
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        660, 664, 668, 672, 676, -1, 680, -1, 684, 688, -1, -1, -1, -1, -1, -1};
+        664, 668, 672, 676, 680, -1, 684, -1, 688, 692, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 12;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 8;
 static constexpr dart::compiler::target::word Array_InstanceSize = 12;
@@ -3975,9 +3975,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1400;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1408;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1416;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -4003,7 +4003,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -4014,7 +4014,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1496;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1504;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -4032,7 +4032,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1440;
+    1448;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -4052,14 +4052,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1416;
+    1424;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1472;
+    1480;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -4101,11 +4101,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1424;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1432;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1432;
+    Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1448;
+    1456;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -4140,9 +4140,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1464;
+    Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -4202,8 +4202,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -4507,9 +4507,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    660;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     664;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    668;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 120;
 static constexpr dart::compiler::target::word
@@ -4534,7 +4534,7 @@
     Thread_allocate_object_slow_entry_point_offset = 288;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 196;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 700;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 332;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 112;
@@ -4545,7 +4545,7 @@
     Thread_call_to_runtime_entry_point_offset = 268;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 136;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 708;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 712;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 48;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -4563,7 +4563,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    680;
+    684;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 252;
 static constexpr dart::compiler::target::word
@@ -4583,13 +4583,13 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 364;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    668;
+    672;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 132;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    696;
+    700;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 44;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 712;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 716;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     68;
 static constexpr dart::compiler::target::word
@@ -4631,11 +4631,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 104;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 336;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 672;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 676;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 676;
+    Thread_saved_shadow_call_stack_offset = 680;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    684;
+    688;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 240;
 static constexpr dart::compiler::target::word
@@ -4669,9 +4669,9 @@
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     36;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 40;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 688;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 692;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 692;
+    Thread_callback_stack_return_offset = 696;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset = 8;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 12;
 static constexpr dart::compiler::target::word Type_arguments_offset = 16;
@@ -5033,9 +5033,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1464;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1472;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1480;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -5061,7 +5061,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -5072,7 +5072,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1560;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1568;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -5090,7 +5090,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -5110,14 +5110,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1536;
+    1544;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -5159,11 +5159,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1488;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1496;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1496;
+    Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1512;
+    1520;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -5198,9 +5198,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1528;
+    Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -5260,9 +5260,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -5567,9 +5567,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1400;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1408;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1416;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -5595,7 +5595,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -5606,7 +5606,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1496;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1504;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -5624,7 +5624,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1440;
+    1448;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -5644,14 +5644,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1416;
+    1424;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1472;
+    1480;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -5693,11 +5693,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1424;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1432;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1432;
+    Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1448;
+    1456;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -5732,9 +5732,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1464;
+    Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -5794,8 +5794,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -6100,9 +6100,9 @@
 static constexpr dart::compiler::target::word
     Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1464;
-static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
     1472;
+static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
+    1480;
 static constexpr dart::compiler::target::word
     Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -6128,7 +6128,7 @@
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
@@ -6139,7 +6139,7 @@
     Thread_call_to_runtime_entry_point_offset = 528;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 264;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1560;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1568;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
@@ -6157,7 +6157,7 @@
 static constexpr dart::compiler::target::word
     Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -6177,14 +6177,14 @@
 static constexpr dart::compiler::target::word
     Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1536;
+    1544;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     136;
 static constexpr dart::compiler::target::word
@@ -6226,11 +6226,11 @@
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
     Thread_predefined_symbols_address_offset = 664;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1488;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1496;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1496;
+    Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1512;
+    1520;
 static constexpr dart::compiler::target::word
     Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -6265,9 +6265,9 @@
     72;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1528;
+    Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word TimelineStream_enabled_offset =
     16;
 static constexpr dart::compiler::target::word TwoByteString_data_offset = 16;
@@ -6327,9 +6327,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_InstanceSize = 24;
@@ -6661,9 +6661,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 692;
+    AOT_Thread_active_exception_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 696;
+    AOT_Thread_active_stacktrace_offset = 700;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 120;
 static constexpr dart::compiler::target::word
@@ -6689,7 +6689,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 196;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    732;
+    736;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 332;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -6702,7 +6702,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 136;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    740;
+    744;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 48;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -6721,7 +6721,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 712;
+    AOT_Thread_execution_state_offset = 716;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 252;
 static constexpr dart::compiler::target::word
@@ -6741,14 +6741,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 364;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 700;
+    AOT_Thread_global_object_pool_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 132;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 728;
+    AOT_Thread_exit_through_ffi_offset = 732;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 44;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    744;
+    748;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 68;
 static constexpr dart::compiler::target::word
@@ -6792,11 +6792,11 @@
     104;
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 336;
-static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 704;
+static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 708;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 708;
+    AOT_Thread_saved_shadow_call_stack_offset = 712;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 716;
+    AOT_Thread_safepoint_state_offset = 720;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 240;
 static constexpr dart::compiler::target::word
@@ -6833,9 +6833,9 @@
     AOT_Thread_write_barrier_mask_offset = 36;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 40;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    720;
+    724;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 724;
+    AOT_Thread_callback_stack_return_offset = 728;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 8;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -6910,7 +6910,7 @@
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        660, 664, 668, 672, 676, -1, 680, -1, 684, 688, -1, -1, -1, -1, -1, -1};
+        664, 668, 672, 676, 680, -1, 684, -1, 688, 692, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     12;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 8;
@@ -7256,9 +7256,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1400;
+    AOT_Thread_active_exception_offset = 1408;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1408;
+    AOT_Thread_active_stacktrace_offset = 1416;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -7284,7 +7284,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -7297,7 +7297,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1496;
+    1504;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -7316,7 +7316,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1440;
+    AOT_Thread_execution_state_offset = 1448;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -7336,14 +7336,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1416;
+    AOT_Thread_global_object_pool_offset = 1424;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1472;
+    AOT_Thread_exit_through_ffi_offset = 1480;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -7388,11 +7388,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1424;
+    1432;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1432;
+    AOT_Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1448;
+    AOT_Thread_safepoint_state_offset = 1456;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -7429,9 +7429,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1464;
+    AOT_Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -7507,8 +7507,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -7857,9 +7857,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1464;
+    AOT_Thread_active_exception_offset = 1472;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1472;
+    AOT_Thread_active_stacktrace_offset = 1480;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -7885,7 +7885,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -7898,7 +7898,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1560;
+    1568;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -7917,7 +7917,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1504;
+    AOT_Thread_execution_state_offset = 1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -7937,14 +7937,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1480;
+    AOT_Thread_global_object_pool_offset = 1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1536;
+    AOT_Thread_exit_through_ffi_offset = 1544;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -7989,11 +7989,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1488;
+    1496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1496;
+    AOT_Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1512;
+    AOT_Thread_safepoint_state_offset = 1520;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -8030,9 +8030,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1528;
+    AOT_Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -8108,9 +8108,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -8456,9 +8456,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1400;
+    AOT_Thread_active_exception_offset = 1408;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1408;
+    AOT_Thread_active_stacktrace_offset = 1416;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -8484,7 +8484,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -8497,7 +8497,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1496;
+    1504;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -8516,7 +8516,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1440;
+    AOT_Thread_execution_state_offset = 1448;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -8536,14 +8536,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1416;
+    AOT_Thread_global_object_pool_offset = 1424;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1472;
+    AOT_Thread_exit_through_ffi_offset = 1480;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -8588,11 +8588,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1424;
+    1432;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1432;
+    AOT_Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1448;
+    AOT_Thread_safepoint_state_offset = 1456;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -8629,9 +8629,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1464;
+    AOT_Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -8707,8 +8707,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -9054,9 +9054,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1464;
+    AOT_Thread_active_exception_offset = 1472;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1472;
+    AOT_Thread_active_stacktrace_offset = 1480;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -9082,7 +9082,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -9095,7 +9095,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1560;
+    1568;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -9114,7 +9114,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1504;
+    AOT_Thread_execution_state_offset = 1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -9134,14 +9134,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1480;
+    AOT_Thread_global_object_pool_offset = 1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1536;
+    AOT_Thread_exit_through_ffi_offset = 1544;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -9186,11 +9186,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1488;
+    1496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1496;
+    AOT_Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1512;
+    AOT_Thread_safepoint_state_offset = 1520;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -9227,9 +9227,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1528;
+    AOT_Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -9305,9 +9305,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -9650,9 +9650,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 692;
+    AOT_Thread_active_exception_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 696;
+    AOT_Thread_active_stacktrace_offset = 700;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 120;
 static constexpr dart::compiler::target::word
@@ -9678,7 +9678,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 196;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    732;
+    736;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 332;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -9691,7 +9691,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 136;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    740;
+    744;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 48;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -9710,7 +9710,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 712;
+    AOT_Thread_execution_state_offset = 716;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 252;
 static constexpr dart::compiler::target::word
@@ -9730,14 +9730,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 364;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 700;
+    AOT_Thread_global_object_pool_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 132;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 728;
+    AOT_Thread_exit_through_ffi_offset = 732;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 44;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    744;
+    748;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 68;
 static constexpr dart::compiler::target::word
@@ -9781,11 +9781,11 @@
     104;
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 336;
-static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 704;
+static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 708;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 708;
+    AOT_Thread_saved_shadow_call_stack_offset = 712;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 716;
+    AOT_Thread_safepoint_state_offset = 720;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 240;
 static constexpr dart::compiler::target::word
@@ -9822,9 +9822,9 @@
     AOT_Thread_write_barrier_mask_offset = 36;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 40;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    720;
+    724;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 724;
+    AOT_Thread_callback_stack_return_offset = 728;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 8;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -9896,7 +9896,7 @@
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        660, 664, 668, 672, 676, -1, 680, -1, 684, 688, -1, -1, -1, -1, -1, -1};
+        664, 668, 672, 676, 680, -1, 684, -1, 688, 692, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     12;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 8;
@@ -10238,9 +10238,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1400;
+    AOT_Thread_active_exception_offset = 1408;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1408;
+    AOT_Thread_active_stacktrace_offset = 1416;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -10266,7 +10266,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -10279,7 +10279,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1496;
+    1504;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -10298,7 +10298,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1440;
+    AOT_Thread_execution_state_offset = 1448;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -10318,14 +10318,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1416;
+    AOT_Thread_global_object_pool_offset = 1424;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1472;
+    AOT_Thread_exit_through_ffi_offset = 1480;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -10370,11 +10370,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1424;
+    1432;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1432;
+    AOT_Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1448;
+    AOT_Thread_safepoint_state_offset = 1456;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -10411,9 +10411,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1464;
+    AOT_Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -10486,8 +10486,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -10832,9 +10832,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1464;
+    AOT_Thread_active_exception_offset = 1472;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1472;
+    AOT_Thread_active_stacktrace_offset = 1480;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -10860,7 +10860,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -10873,7 +10873,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1560;
+    1568;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -10892,7 +10892,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1504;
+    AOT_Thread_execution_state_offset = 1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -10912,14 +10912,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1480;
+    AOT_Thread_global_object_pool_offset = 1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1536;
+    AOT_Thread_exit_through_ffi_offset = 1544;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -10964,11 +10964,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1488;
+    1496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1496;
+    AOT_Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1512;
+    AOT_Thread_safepoint_state_offset = 1520;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -11005,9 +11005,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1528;
+    AOT_Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -11080,9 +11080,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -11424,9 +11424,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1400;
+    AOT_Thread_active_exception_offset = 1408;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1408;
+    AOT_Thread_active_stacktrace_offset = 1416;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -11452,7 +11452,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1480;
+    1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -11465,7 +11465,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1496;
+    1504;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -11484,7 +11484,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1440;
+    AOT_Thread_execution_state_offset = 1448;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -11504,14 +11504,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1416;
+    AOT_Thread_global_object_pool_offset = 1424;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1472;
+    AOT_Thread_exit_through_ffi_offset = 1480;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1504;
+    1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -11556,11 +11556,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1424;
+    1432;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1432;
+    AOT_Thread_saved_shadow_call_stack_offset = 1440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1448;
+    AOT_Thread_safepoint_state_offset = 1456;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -11597,9 +11597,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1456;
+    1464;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1464;
+    AOT_Thread_callback_stack_return_offset = 1472;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -11672,8 +11672,8 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, -1,   -1,   1344, 1352,
-        1360, 1368, 1376, -1,   1384, 1392, -1,   -1};
+        1320, 1328, 1336, 1344, -1,   -1,   1352, 1360,
+        1368, 1376, 1384, -1,   1392, 1400, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -12015,9 +12015,9 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_AllocateArray_entry_point_offset = 728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1464;
+    AOT_Thread_active_exception_offset = 1472;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1472;
+    AOT_Thread_active_stacktrace_offset = 1480;
 static constexpr dart::compiler::target::word
     AOT_Thread_array_write_barrier_code_offset = 232;
 static constexpr dart::compiler::target::word
@@ -12043,7 +12043,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 384;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1544;
+    1552;
 static constexpr dart::compiler::target::word
     AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 656;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
@@ -12056,7 +12056,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 264;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1560;
+    1568;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 96;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
@@ -12075,7 +12075,7 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_enter_safepoint_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1504;
+    AOT_Thread_execution_state_offset = 1512;
 static constexpr dart::compiler::target::word
     AOT_Thread_exit_safepoint_stub_offset = 496;
 static constexpr dart::compiler::target::word
@@ -12095,14 +12095,14 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_float_zerow_address_offset = 720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1480;
+    AOT_Thread_global_object_pool_offset = 1488;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1536;
+    AOT_Thread_exit_through_ffi_offset = 1544;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 88;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1568;
+    1576;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 136;
 static constexpr dart::compiler::target::word
@@ -12147,11 +12147,11 @@
 static constexpr dart::compiler::target::word
     AOT_Thread_predefined_symbols_address_offset = 664;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1488;
+    1496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1496;
+    AOT_Thread_saved_shadow_call_stack_offset = 1504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1512;
+    AOT_Thread_safepoint_state_offset = 1520;
 static constexpr dart::compiler::target::word
     AOT_Thread_slow_type_test_stub_offset = 472;
 static constexpr dart::compiler::target::word
@@ -12188,9 +12188,9 @@
     AOT_Thread_write_barrier_mask_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1520;
+    1528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1528;
+    AOT_Thread_callback_stack_return_offset = 1536;
 static constexpr dart::compiler::target::word
     AOT_TimelineStream_enabled_offset = 16;
 static constexpr dart::compiler::target::word AOT_TwoByteString_data_offset =
@@ -12263,9 +12263,9 @@
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1312, 1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392,
-        1400, 1408, 1416, 1424, -1,   -1,   -1,   -1,   1432, 1440, -1,
-        -1,   -1,   1448, 1456, -1,   -1,   -1,   -1,   -1,   -1};
+        1320, 1328, 1336, 1344, 1352, 1360, 1368, 1376, 1384, 1392, 1400,
+        1408, 1416, 1424, 1432, -1,   -1,   -1,   -1,   1440, 1448, -1,
+        -1,   -1,   1456, 1464, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
diff --git a/runtime/vm/compiler/stub_code_compiler_arm.cc b/runtime/vm/compiler/stub_code_compiler_arm.cc
index dc9b44c..ff24802 100644
--- a/runtime/vm/compiler/stub_code_compiler_arm.cc
+++ b/runtime/vm/compiler/stub_code_compiler_arm.cc
@@ -487,7 +487,9 @@
 void StubCodeCompiler::GenerateDispatchTableNullErrorStub(
     Assembler* assembler) {
   __ EnterStubFrame();
-  __ CallRuntime(kNullErrorRuntimeEntry, /*argument_count=*/0);
+  __ SmiTag(DispatchTableNullErrorABI::kClassIdReg);
+  __ PushRegister(DispatchTableNullErrorABI::kClassIdReg);
+  __ CallRuntime(kDispatchTableNullErrorRuntimeEntry, /*argument_count=*/1);
   // The NullError runtime entry does not return.
   __ Breakpoint();
 }
diff --git a/runtime/vm/compiler/stub_code_compiler_arm64.cc b/runtime/vm/compiler/stub_code_compiler_arm64.cc
index c3c6fbc..4f4d44d 100644
--- a/runtime/vm/compiler/stub_code_compiler_arm64.cc
+++ b/runtime/vm/compiler/stub_code_compiler_arm64.cc
@@ -545,7 +545,9 @@
 void StubCodeCompiler::GenerateDispatchTableNullErrorStub(
     Assembler* assembler) {
   __ EnterStubFrame();
-  __ CallRuntime(kNullErrorRuntimeEntry, /*argument_count=*/0);
+  __ SmiTag(DispatchTableNullErrorABI::kClassIdReg);
+  __ PushRegister(DispatchTableNullErrorABI::kClassIdReg);
+  __ CallRuntime(kDispatchTableNullErrorRuntimeEntry, /*argument_count=*/1);
   // The NullError runtime entry does not return.
   __ Breakpoint();
 }
diff --git a/runtime/vm/compiler/stub_code_compiler_x64.cc b/runtime/vm/compiler/stub_code_compiler_x64.cc
index db74b1f..ade135f 100644
--- a/runtime/vm/compiler/stub_code_compiler_x64.cc
+++ b/runtime/vm/compiler/stub_code_compiler_x64.cc
@@ -488,7 +488,9 @@
 void StubCodeCompiler::GenerateDispatchTableNullErrorStub(
     Assembler* assembler) {
   __ EnterStubFrame();
-  __ CallRuntime(kNullErrorRuntimeEntry, /*argument_count=*/0);
+  __ SmiTag(DispatchTableNullErrorABI::kClassIdReg);
+  __ PushRegister(DispatchTableNullErrorABI::kClassIdReg);
+  __ CallRuntime(kDispatchTableNullErrorRuntimeEntry, /*argument_count=*/1);
   // The NullError runtime entry does not return.
   __ Breakpoint();
 }
diff --git a/runtime/vm/constants_arm.h b/runtime/vm/constants_arm.h
index 82ccda5..1b7fe4c 100644
--- a/runtime/vm/constants_arm.h
+++ b/runtime/vm/constants_arm.h
@@ -463,6 +463,14 @@
   static const Register kResultReg = R0;
 };
 
+// ABI for DispatchTableNullErrorStub and consequently for all dispatch
+// table calls (though normal functions will not expect or use this
+// register). This ABI is added to distinguish memory corruption errors from
+// null errors.
+struct DispatchTableNullErrorABI {
+  static const Register kClassIdReg = R0;
+};
+
 // TODO(regis): Add ABIs for type testing stubs and is-type test stubs instead
 // of reusing the constants of the instantiation stubs ABI.
 
diff --git a/runtime/vm/constants_arm64.h b/runtime/vm/constants_arm64.h
index 16af371..a596a10 100644
--- a/runtime/vm/constants_arm64.h
+++ b/runtime/vm/constants_arm64.h
@@ -304,6 +304,14 @@
   static const Register kResultReg = R0;
 };
 
+// ABI for DispatchTableNullErrorStub and consequently for all dispatch
+// table calls (though normal functions will not expect or use this
+// register). This ABI is added to distinguish memory corruption errors from
+// null errors.
+struct DispatchTableNullErrorABI {
+  static const Register kClassIdReg = R0;
+};
+
 // TODO(regis): Add ABIs for type testing stubs and is-type test stubs instead
 // of reusing the constants of the instantiation stubs ABI.
 
diff --git a/runtime/vm/constants_ia32.h b/runtime/vm/constants_ia32.h
index ca05271..a8baa9d 100644
--- a/runtime/vm/constants_ia32.h
+++ b/runtime/vm/constants_ia32.h
@@ -202,6 +202,16 @@
   static const Register kResultReg = EAX;
 };
 
+// ABI for DispatchTableNullErrorStub and consequently for all dispatch
+// table calls (though normal functions will not expect or use this
+// register). This ABI is added to distinguish memory corruption errors from
+// null errors.
+// Note: dispatch table calls are never actually generated on IA32, this
+// declaration is only added for completeness.
+struct DispatchTableNullErrorABI {
+  static const Register kClassIdReg = EAX;
+};
+
 typedef uint32_t RegList;
 const RegList kAllCpuRegistersList = 0xFF;
 
diff --git a/runtime/vm/constants_x64.h b/runtime/vm/constants_x64.h
index d8ffa7c..e5f647e 100644
--- a/runtime/vm/constants_x64.h
+++ b/runtime/vm/constants_x64.h
@@ -275,6 +275,14 @@
   static const Register kResultReg = RAX;
 };
 
+// ABI for DispatchTableNullErrorStub and consequently for all dispatch
+// table calls (though normal functions will not expect or use this
+// register). This ABI is added to distinguish memory corruption errors from
+// null errors.
+struct DispatchTableNullErrorABI {
+  static const Register kClassIdReg = RCX;
+};
+
 typedef uint32_t RegList;
 const RegList kAllCpuRegistersList = 0xFFFF;
 const RegList kAllFpuRegistersList = 0xFFFF;
diff --git a/runtime/vm/raw_object.h b/runtime/vm/raw_object.h
index 82c1998..5bf6bc9 100644
--- a/runtime/vm/raw_object.h
+++ b/runtime/vm/raw_object.h
@@ -43,6 +43,7 @@
 CLASS_LIST(DEFINE_FORWARD_DECLARATION)
 #undef DEFINE_FORWARD_DECLARATION
 class CodeStatistics;
+class StackFrame;
 
 #define VISIT_FROM(type, first)                                                \
   type* from() { return reinterpret_cast<type*>(&first##_); }
@@ -733,6 +734,9 @@
   friend class WriteBarrierUpdateVisitor;  // CheckHeapPointerStore
   friend class OffsetsTable;
   friend class Object;
+  friend void ReportImpossibleNullError(intptr_t cid,
+                                        StackFrame* caller_frame,
+                                        Thread* thread);
 
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(UntaggedObject);
diff --git a/runtime/vm/runtime_entry.cc b/runtime/vm/runtime_entry.cc
index 39d4e2d..9bb72df 100644
--- a/runtime/vm/runtime_entry.cc
+++ b/runtime/vm/runtime_entry.cc
@@ -176,7 +176,7 @@
   Exceptions::ThrowByType(Exceptions::kNoSuchMethod, args);
 }
 
-DEFINE_RUNTIME_ENTRY(NullError, 0) {
+static void DoThrowNullError(Isolate* isolate, Thread* thread, Zone* zone) {
   DartFrameIterator iterator(thread,
                              StackFrameIterator::kNoCrossThreadIteration);
   const StackFrame* caller_frame = iterator.NextFrame();
@@ -206,6 +206,59 @@
   NullErrorHelper(zone, member_name);
 }
 
+DEFINE_RUNTIME_ENTRY(NullError, 0) {
+  DoThrowNullError(isolate, thread, zone);
+}
+
+// Collects information about pointers within the top |kMaxSlotsCollected|
+// slots on the stack.
+// TODO(b/179632636) This code is added in attempt to better understand
+// b/179632636 and should be removed in the future.
+void ReportImpossibleNullError(intptr_t cid,
+                               StackFrame* caller_frame,
+                               Thread* thread) {
+  TextBuffer buffer(512);
+  buffer.Printf("hit null error with cid %" Pd ", caller context: ", cid);
+
+  const intptr_t kMaxSlotsCollected = 5;
+  const auto slots = reinterpret_cast<ObjectPtr*>(caller_frame->sp());
+  const auto num_slots_in_frame =
+      reinterpret_cast<ObjectPtr*>(caller_frame->fp()) - slots;
+  const auto num_slots_to_collect =
+      Utils::Maximum(kMaxSlotsCollected, num_slots_in_frame);
+  bool comma = false;
+  for (intptr_t i = 0; i < num_slots_to_collect; i++) {
+    const ObjectPtr ptr = slots[i];
+    buffer.Printf("%s[sp+%" Pd "] %" Pp "", comma ? ", " : "", i,
+                  static_cast<uword>(ptr));
+    if (ptr->IsHeapObject() &&
+        (Dart::vm_isolate_group()->heap()->Contains(
+             UntaggedObject::ToAddr(ptr)) ||
+         thread->heap()->Contains(UntaggedObject::ToAddr(ptr)))) {
+      buffer.Printf("(%" Pp ")", static_cast<uword>(ptr->untag()->tags_));
+    }
+    comma = true;
+  }
+
+  const char* message = buffer.buffer();
+  FATAL("%s", message);
+}
+
+DEFINE_RUNTIME_ENTRY(DispatchTableNullError, 1) {
+  const Smi& cid = Smi::CheckedHandle(zone, arguments.ArgAt(0));
+  if (cid.Value() != kNullCid) {
+    // We hit null error, but receiver is not null itself. This most likely
+    // is a memory corruption. Crash the VM but provide some additonal
+    // information about the arguments on the stack.
+    DartFrameIterator iterator(thread,
+                               StackFrameIterator::kNoCrossThreadIteration);
+    StackFrame* caller_frame = iterator.NextFrame();
+    RELEASE_ASSERT(caller_frame->IsDartFrame());
+    ReportImpossibleNullError(cid.Value(), caller_frame, thread);
+  }
+  DoThrowNullError(isolate, thread, zone);
+}
+
 DEFINE_RUNTIME_ENTRY(NullErrorWithSelector, 1) {
   const String& selector = String::CheckedHandle(zone, arguments.ArgAt(0));
   NullErrorHelper(zone, selector);
diff --git a/runtime/vm/runtime_entry_list.h b/runtime/vm/runtime_entry_list.h
index 34ac296..4777dd0 100644
--- a/runtime/vm/runtime_entry_list.h
+++ b/runtime/vm/runtime_entry_list.h
@@ -38,6 +38,7 @@
   V(NullErrorWithSelector)                                                     \
   V(NullCastError)                                                             \
   V(ArgumentNullError)                                                         \
+  V(DispatchTableNullError)                                                    \
   V(ArgumentError)                                                             \
   V(ArgumentErrorUnboxedInt64)                                                 \
   V(IntegerDivisionByZeroException)                                            \