commit 6688865947f2e102f85d55bcfe4cf6bc83b65ce6
author Alexander Markov <alexmarkov@google.com> Thu Oct 11 20:02:53 2018 +0000
committer Alexander Thomas <athom@google.com> Thu Oct 11 22:48:48 2018 +0200
tree 07a6125d9357fefa081b6da703c7e967ebeb6124
parent a7f93d33d45a49588ddff4571d89be7361e0de5f

[vm] Make UBSAN happy for the code in Range::BitwiseOp

Change-Id: I3f3ca03a0930f9feac1e7e94cdb5c50ece8d7856
Reviewed-on: https://dart-review.googlesource.com/c/79420
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>

runtime/vm/compiler/backend/range_analysis.cc

diff --git a/runtime/vm/compiler/backend/range_analysis.cc b/runtime/vm/compiler/backend/range_analysis.cc
index 71fd853..8122bd9 100644
--- a/runtime/vm/compiler/backend/range_analysis.cc
+++ b/runtime/vm/compiler/backend/range_analysis.cc
@@ -2296,7 +2296,7 @@
     *result_min = RangeBoundary::FromConstant(0);
   } else {
     *result_min =
-        RangeBoundary::FromConstant(-(static_cast<int64_t>(1) << bitsize));
+        RangeBoundary::FromConstant(-(static_cast<uint64_t>(1) << bitsize));
   }
 
   *result_max =

tests/co19_2/co19_2-kernel.status

diff --git a/tests/co19_2/co19_2-kernel.status b/tests/co19_2/co19_2-kernel.status
index 662a94c..7ffb4fa 100644
--- a/tests/co19_2/co19_2-kernel.status
+++ b/tests/co19_2/co19_2-kernel.status
@@ -569,6 +569,7 @@
 LibTest/io/Stdout/add_A02_t07: RuntimeError
 LibTest/io/WebSocket/connect_A01_t01: RuntimeError
 LibTest/io/WebSocket/connect_A01_t02: RuntimeError
+LibTest/isolate/Isolate/pause_A01_t01: Timeout, Pass
 LibTest/isolate/Isolate/pause_A01_t02: Timeout, Pass
 LibTest/isolate/Isolate/ping_A03_t01: RuntimeError, Pass
 LibTest/isolate/Isolate/ping_A03_t02: RuntimeError, Pass