library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/general/await_complex.dart:120:12: Error: A value of type 'FutureOr<bool>' can't be assigned to a variable of type 'bool'.
//     assert(id(true), await func("message"));
//            ^
//
import self as self;
import "dart:core" as core;
import "dart:async" as asy;
import "dart:_internal" as _in;

import "dart:async";

class C extends core::Object {
  static field core::int staticField = 1;
  field core::int field = 1;
  synthetic constructor •() → self::C
    : super core::Object::•()
    ;
  static get staticGetter() → core::int
    return self::C::staticField;
  static set staticSetter(dynamic val) → void {
    self::C::staticField = val as{TypeError,ForDynamic,ForNonNullableByDefault} core::int;
  }
  static method staticFoo(core::int param) → core::int
    return param;
  get getter() → core::int
    return this.{self::C::field}{core::int};
  set setter(dynamic val) → void {
    this.{self::C::field} = val as{TypeError,ForDynamic,ForNonNullableByDefault} core::int;
  }
  method foo(core::int param) → core::int
    return param;
}
static field core::int globalVariable = 1;
static final field core::bool assertStatementsEnabled = (() → core::bool {
  try {
    assert(false);
    return false;
  }
  on core::Object catch(final core::Object _) {
    return true;
  }
})(){() → core::bool};
static method topLevelFoo(core::int param) → core::int
  return 1;
static get topLevelGetter() → core::int
  return self::globalVariable;
static set topLevelSetter(dynamic val) → void {
  self::globalVariable = val as{TypeError,ForDynamic,ForNonNullableByDefault} core::int;
}
static method dummy() → dynamic
  return 1;
static method staticMembers() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  core::int :async_temporary_0;
  core::int :async_temporary_1;
  core::int :async_temporary_2;
  core::int :async_temporary_3;
  core::int :async_temporary_4;
  core::int :async_temporary_5;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L1:
      {
        :async_temporary_0 = self::C::staticField;
        [yield] let dynamic #t1 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num a = _in::unsafeCast<core::int>(:async_temporary_0).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, a);
        :async_temporary_1 = self::C::staticField = 1;
        [yield] let dynamic #t2 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num f = _in::unsafeCast<core::int>(:async_temporary_1).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, f);
        :async_temporary_2 = self::C::staticGetter;
        [yield] let dynamic #t3 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num b = _in::unsafeCast<core::int>(:async_temporary_2).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, b);
        :async_temporary_3 = self::C::staticSetter = 1;
        [yield] let dynamic #t4 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num c = _in::unsafeCast<core::int>(:async_temporary_3).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, c);
        :async_temporary_4 = self::C::staticFoo(2);
        [yield] let dynamic #t5 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num d = _in::unsafeCast<core::int>(:async_temporary_4).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(3, d);
        :async_temporary_5 = self::C::staticField.{core::num::+}(self::C::staticGetter){(core::num) → core::int}.{core::num::+}(self::C::staticSetter = 1){(core::num) → core::int}.{core::num::+}(self::C::staticFoo(1)){(core::num) → core::int};
        [yield] let dynamic #t6 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num e = _in::unsafeCast<core::int>(:async_temporary_5).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(5, e);
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method topLevelMembers() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  core::int :async_temporary_0;
  core::int :async_temporary_1;
  core::int :async_temporary_2;
  core::int :async_temporary_3;
  core::int :async_temporary_4;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L2:
      {
        :async_temporary_0 = self::globalVariable;
        [yield] let dynamic #t7 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num a = _in::unsafeCast<core::int>(:async_temporary_0).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, a);
        :async_temporary_1 = self::topLevelGetter;
        [yield] let dynamic #t8 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num b = _in::unsafeCast<core::int>(:async_temporary_1).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, b);
        :async_temporary_2 = self::topLevelSetter = 1;
        [yield] let dynamic #t9 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num c = _in::unsafeCast<core::int>(:async_temporary_2).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, c);
        :async_temporary_3 = self::topLevelFoo(1);
        [yield] let dynamic #t10 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num d = _in::unsafeCast<core::int>(:async_temporary_3).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, d);
        :async_temporary_4 = self::globalVariable.{core::num::+}(self::topLevelGetter){(core::num) → core::int}.{core::num::+}(self::topLevelSetter = 1){(core::num) → core::int}.{core::num::+}(self::topLevelFoo(1)){(core::num) → core::int};
        [yield] let dynamic #t11 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num e = _in::unsafeCast<core::int>(:async_temporary_4).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(5, e);
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method instanceMembers() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  core::int :async_temporary_0;
  core::int :async_temporary_1;
  core::int :async_temporary_2;
  core::int :async_temporary_3;
  core::int :async_temporary_4;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L3:
      {
        self::C inst = new self::C::•();
        :async_temporary_0 = inst.{self::C::field}{core::int};
        [yield] let dynamic #t12 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num a = _in::unsafeCast<core::int>(:async_temporary_0).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, a);
        :async_temporary_1 = inst.{self::C::getter}{core::int};
        [yield] let dynamic #t13 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num b = _in::unsafeCast<core::int>(:async_temporary_1).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, b);
        :async_temporary_2 = inst.{self::C::setter} = 1;
        [yield] let dynamic #t14 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num c = _in::unsafeCast<core::int>(:async_temporary_2).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, c);
        :async_temporary_3 = inst.{self::C::foo}(1){(core::int) → core::int};
        [yield] let dynamic #t15 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num d = _in::unsafeCast<core::int>(:async_temporary_3).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, d);
        :async_temporary_4 = inst.{self::C::field}{core::int}.{core::num::+}(inst.{self::C::getter}{core::int}){(core::num) → core::int}.{core::num::+}(inst.{self::C::setter} = 1){(core::num) → core::int}.{core::num::+}(inst.{self::C::foo}(1){(core::int) → core::int}){(core::num) → core::int};
        [yield] let dynamic #t16 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num e = _in::unsafeCast<core::int>(:async_temporary_4).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(5, e);
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method others() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  dynamic :async_temporary_0;
  core::int :async_temporary_1;
  core::int :async_temporary_2;
  core::List<core::int> :async_temporary_3;
  core::int :async_temporary_4;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L4:
      {
        :async_temporary_0 = self::globalVariable;
        [yield] let dynamic #t17 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        :async_temporary_0 = "${_in::unsafeCast<core::int>(:async_temporary_0)} ${:result_or_exception} ";
        [yield] let dynamic #t18 = asy::_awaitHelper("someString", :async_op_then, :async_op_error) in null;
        core::String a = _in::unsafeCast<core::String>(:async_temporary_0).{core::String::+}(_in::unsafeCast<core::String>(:result_or_exception)){(core::String) → core::String};
        self::expect("1 1 someString", a);
        self::C c = new self::C::•();
        :async_temporary_1 = c.{self::C::field}{core::int};
        [yield] let dynamic #t19 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num d = _in::unsafeCast<core::int>(:async_temporary_1).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        core::int cnt = 2;
        core::List<core::int> b = core::_GrowableList::_literal3<core::int>(1, 2, 3);
        :async_temporary_3 = b;
        :async_temporary_2 = cnt;
        [yield] let dynamic #t20 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::List<core::int>>(:async_temporary_3).{core::List::[]=}(_in::unsafeCast<core::int>(:async_temporary_2), :result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::int){(core::int, core::int) → void};
        self::expect(1, b.{core::List::[]}(cnt){(core::int) → core::int});
        :async_temporary_4 = b.{core::List::[]}(0){(core::int) → core::int};
        [yield] let dynamic #t21 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
        core::num e = _in::unsafeCast<core::int>(:async_temporary_4).{core::num::+}(:result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::num){(core::num) → core::num};
        self::expect(2, e);
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method conditionals() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  dynamic :saved_try_context_var1;
  core::bool :async_temporary_0;
  dynamic :async_temporary_1;
  dynamic :async_temporary_2;
  dynamic :async_temporary_3;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L5:
      {
        core::bool a = false;
        core::bool b = true;
        :async_temporary_0 = (a || b) =={core::Object::==}{(core::Object) → core::bool} true;
        if(_in::unsafeCast<core::bool>(:async_temporary_0))
          ;
        else {
          [yield] let dynamic #t22 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
          :async_temporary_0 = :result_or_exception as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool =={core::Object::==}{(core::Object) → core::bool} true;
        }
        core::bool c = _in::unsafeCast<core::bool>(:async_temporary_0);
        self::expect(true, c);
        if(a || b) {
          :async_temporary_1 = a;
        }
        else {
          [yield] let dynamic #t23 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
          :async_temporary_1 = :result_or_exception;
        }
        dynamic d = :async_temporary_1;
        self::expect(false, d);
        if(a is{ForNonNullableByDefault} core::int) {
          [yield] let dynamic #t24 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
          :async_temporary_2 = :result_or_exception;
        }
        else {
          :async_temporary_2 = 2;
        }
        dynamic e = :async_temporary_2;
        self::expect(2, e);
        try {
          if(a is{ForNonNullableByDefault} core::int) {
            [yield] let dynamic #t25 = asy::_awaitHelper(self::dummy(), :async_op_then, :async_op_error) in null;
            :async_temporary_3 = :result_or_exception;
          }
          else {
            :async_temporary_3 = 2;
          }
          dynamic f = :async_temporary_3;
        }
        on core::Object catch(final core::Object e) {
        }
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method asserts() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  dynamic :saved_try_context_var1;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L6:
      {
        {
          core::Iterator<<T extends core::Object? = dynamic>(T%) → FutureOr<T%>> :sync-for-iterator = core::_GrowableList::_literal2<<T extends core::Object? = dynamic>(T%) → FutureOr<T%>>(#C1, #C2).{core::Iterable::iterator}{core::Iterator<<T extends core::Object? = dynamic>(T%) → FutureOr<T%>>};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            final <T extends core::Object? = dynamic>(T%) → FutureOr<T%>func = :sync-for-iterator.{core::Iterator::current}{<T extends core::Object? = dynamic>(T%) → FutureOr<T%>};
            {
              assert {
                [yield] let dynamic #t26 = asy::_awaitHelper(func<core::bool>(true){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
                assert(_in::unsafeCast<core::bool>(:result_or_exception));
              }
              assert {
                if(invalid-expression "pkg/front_end/testcases/general/await_complex.dart:120:12: Error: A value of type 'FutureOr<bool>' can't be assigned to a variable of type 'bool'.
    assert(id(true), await func(\"message\"));
           ^" in self::id<core::bool>(true) as{TypeError,ForNonNullableByDefault} core::bool)
                  ;
                else {
                  [yield] let dynamic #t27 = asy::_awaitHelper(func<core::String>("message"){(core::String) → FutureOr<core::String>}, :async_op_then, :async_op_error) in null;
                  assert(false, _in::unsafeCast<core::String>(:result_or_exception));
                }
              }
              assert {
                [yield] let dynamic #t28 = asy::_awaitHelper(func<core::bool>(true){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
                if(_in::unsafeCast<core::bool>(:result_or_exception))
                  ;
                else {
                  [yield] let dynamic #t29 = asy::_awaitHelper(func<core::String>("message"){(core::String) → FutureOr<core::String>}, :async_op_then, :async_op_error) in null;
                  assert(false, _in::unsafeCast<core::String>(:result_or_exception));
                }
              }
              try {
                assert {
                  [yield] let dynamic #t30 = asy::_awaitHelper(func<core::bool>(false){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
                  if(_in::unsafeCast<core::bool>(:result_or_exception))
                    ;
                  else {
                    [yield] let dynamic #t31 = asy::_awaitHelper(func<core::String>("message"){(core::String) → FutureOr<core::String>}, :async_op_then, :async_op_error) in null;
                    assert(false, _in::unsafeCast<core::String>(:result_or_exception));
                  }
                }
                if(self::assertStatementsEnabled)
                  throw "Didn't throw";
              }
              on core::AssertionError catch(final core::AssertionError e) {
                self::expect("message", e.{core::AssertionError::message}{core::Object?});
              }
            }
          }
        }
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method controlFlow() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  dynamic :saved_try_context_var1;
  dynamic :saved_try_context_var2;
  dynamic :saved_try_context_var3;
  dynamic :exception0;
  dynamic :stack_trace0;
  core::List<dynamic> :async_temporary_0;
  core::List<dynamic> :async_temporary_1;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L7:
      {
        {
          core::Iterator<<T extends core::Object? = dynamic>(T%) → FutureOr<T%>> :sync-for-iterator = core::_GrowableList::_literal2<<T extends core::Object? = dynamic>(T%) → FutureOr<T%>>(#C1, #C2).{core::Iterable::iterator}{core::Iterator<<T extends core::Object? = dynamic>(T%) → FutureOr<T%>>};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            final <T extends core::Object? = dynamic>(T%) → FutureOr<T%>func = :sync-for-iterator.{core::Iterator::current}{<T extends core::Object? = dynamic>(T%) → FutureOr<T%>};
            {
              core::int c = 0;
              {
                dynamic #t32 = true;
                core::int #t33;
                #L8:
                while (true) {
                  core::int i;
                  if(#t32) {
                    #t32 = false;
                    [yield] let dynamic #t34 = asy::_awaitHelper(func<core::int>(0){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                    i = _in::unsafeCast<core::int>(:result_or_exception);
                  }
                  else {
                    i = #t33;
                    [yield] let dynamic #t35 = asy::_awaitHelper(func<core::int>(let final core::int #t36 = i in let final core::int #t37 = i = #t36.{core::num::+}(1){(core::num) → core::int} in #t36){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                    _in::unsafeCast<core::int>(:result_or_exception);
                  }
                  [yield] let dynamic #t38 = asy::_awaitHelper(func<core::bool>(i.{core::num::<}(5){(core::num) → core::bool}){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
                  if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                    {
                      c = c.{core::num::+}(1){(core::num) → core::int};
                    }
                    #t33 = i;
                  }
                  else
                    break #L8;
                }
              }
              self::expect(5, c);
              c = 0;
              #L9:
              while (true) {
                [yield] let dynamic #t39 = asy::_awaitHelper(func<core::bool>(c.{core::num::<}(5){(core::num) → core::bool}){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
                if(_in::unsafeCast<core::bool>(:result_or_exception))
                  c = c.{core::num::+}(1){(core::num) → core::int};
                else
                  break #L9;
              }
              self::expect(5, c);
              c = 0;
              do {
                c = c.{core::num::+}(1){(core::num) → core::int};
                [yield] let dynamic #t40 = asy::_awaitHelper(func<core::bool>(c.{core::num::<}(5){(core::num) → core::bool}){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
              }
              while (_in::unsafeCast<core::bool>(:result_or_exception))
              self::expect(5, c);
              [yield] let dynamic #t41 = asy::_awaitHelper(func<core::bool>(c =={core::num::==}{(core::Object) → core::bool} 5){(core::bool) → FutureOr<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                self::expect(5, c);
              }
              else {
                throw "unreachable";
              }
              try {
                [yield] let dynamic #t42 = asy::_awaitHelper(func<core::String>("string"){(core::String) → FutureOr<core::String>}, :async_op_then, :async_op_error) in null;
                throw _in::unsafeCast<core::String>(:result_or_exception);
              }
              on core::String catch(no-exception-var) {
              }
              try {
                [yield] let dynamic #t43 = asy::_awaitHelper(throw "string", :async_op_then, :async_op_error) in null;
                let final Never #t44 = _in::unsafeCast<Never>(:result_or_exception) in throw new _in::ReachabilityError::•("`null` encountered as the result from expression with type `Never`.");
              }
              on core::String catch(no-exception-var) {
              }
              try
                try {
                  try
                    try {
                      throw "string";
                    }
                    on core::Object catch(final core::Object e) {
                      self::expect("string", e);
                      [yield] let dynamic #t45 = asy::_awaitHelper(func<core::int>(0){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                      self::expect(0, _in::unsafeCast<core::int>(:result_or_exception));
                      rethrow;
                    }
                  finally {
                    [yield] let dynamic #t46 = asy::_awaitHelper(func<core::int>(0){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                    self::expect(0, _in::unsafeCast<core::int>(:result_or_exception));
                  }
                }
                on core::Object catch(final core::Object e) {
                  [yield] let dynamic #t47 = asy::_awaitHelper(func<core::int>(0){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                  self::expect(0, _in::unsafeCast<core::int>(:result_or_exception));
                  self::expect("string", e);
                }
              finally {
                [yield] let dynamic #t48 = asy::_awaitHelper(func<core::int>(0){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                self::expect(0, _in::unsafeCast<core::int>(:result_or_exception));
              }
              #L10:
              {
                [yield] let dynamic #t49 = asy::_awaitHelper(func<core::int>(2){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                switch(_in::unsafeCast<core::int>(:result_or_exception)) {
                  #L11:
                  case #C3:
                    {
                      break #L10;
                    }
                  #L12:
                  default:
                    {
                      throw "unreachable";
                    }
                }
              }
              [yield] let dynamic #t50 = asy::_awaitHelper((() → asy::Future<core::int> /* originally async */ {
                final asy::_Future<core::int> :async_future = new asy::_Future::•<core::int>();
                core::bool* :is_sync = false;
                core::int? :return_value;
                (dynamic) → dynamic :async_op_then;
                (core::Object, core::StackTrace) → dynamic :async_op_error;
                core::int :await_jump_var = 0;
                dynamic :await_ctx_var;
                dynamic :saved_try_context_var0;
                function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
                  try {
                    #L13:
                    {
                      [yield] let dynamic #t51 = asy::_awaitHelper(func<core::int>(42){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                      :return_value = _in::unsafeCast<core::int>(:result_or_exception);
                      break #L13;
                    }
                    asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
                    return;
                  }
                  on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
                    asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
                  }
                :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
                :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
                :async_op(null, null){() → dynamic};
                :is_sync = true;
                return :async_future;
              })(){() → asy::Future<core::int>}, :async_op_then, :async_op_error) in null;
              self::expect(42, _in::unsafeCast<core::int>(:result_or_exception));
              [yield] let dynamic #t52 = asy::_awaitHelper((() → asy::Future<core::int> /* originally async */ {
                final asy::_Future<core::int> :async_future = new asy::_Future::•<core::int>();
                core::bool* :is_sync = false;
                FutureOr<core::int>? :return_value;
                (dynamic) → dynamic :async_op_then;
                (core::Object, core::StackTrace) → dynamic :async_op_error;
                core::int :await_jump_var = 0;
                dynamic :await_ctx_var;
                function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
                  try {
                    #L14:
                    {
                      :return_value = func<core::int>(42){(core::int) → FutureOr<core::int>};
                      break #L14;
                    }
                    asy::_completeOnAsyncReturn(:async_future, :return_value, :is_sync);
                    return;
                  }
                  on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
                    asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
                  }
                :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
                :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
                :async_op(null, null){() → dynamic};
                :is_sync = true;
                return :async_future;
              })(){() → asy::Future<core::int>}, :async_op_then, :async_op_error) in null;
              self::expect(42, _in::unsafeCast<core::int>(:result_or_exception));
              function testStream1() → asy::Stream<core::int> /* originally async* */ {
                asy::_AsyncStarStreamController<core::int>? :controller;
                dynamic :controller_stream;
                (dynamic) → dynamic :async_op_then;
                (core::Object, core::StackTrace) → dynamic :async_op_error;
                core::int :await_jump_var = 0;
                dynamic :await_ctx_var;
                dynamic :saved_try_context_var0;
                dynamic :saved_try_context_var1;
                function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
                  try
                    try {
                      #L15:
                      {
                        [yield] let dynamic #t53 = asy::_awaitHelper(func<core::int>(42){(core::int) → FutureOr<core::int>}, :async_op_then, :async_op_error) in null;
                        if(:controller.{asy::_AsyncStarStreamController::add}(_in::unsafeCast<core::int>(:result_or_exception)){(core::int) → core::bool})
                          return null;
                        else
                          [yield] null;
                      }
                      return;
                    }
                    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
                      :controller.{asy::_AsyncStarStreamController::addError}(exception, stack_trace){(core::Object, core::StackTrace) → void};
                    }
                  finally {
                    :controller.{asy::_AsyncStarStreamController::close}(){() → dynamic};
                  }
                :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
                :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
                :controller = new asy::_AsyncStarStreamController::•<core::int>(:async_op);
                :controller_stream = :controller.{asy::_AsyncStarStreamController::stream}{asy::Stream<core::int>};
                return :controller_stream;
              }
              :async_temporary_0 = core::_GrowableList::_literal1<dynamic>(42);
              [yield] let dynamic #t54 = asy::_awaitHelper(testStream1(){() → asy::Stream<core::int>}.{asy::Stream::toList}(){() → asy::Future<core::List<core::int>>}, :async_op_then, :async_op_error) in null;
              self::expectList(_in::unsafeCast<core::List<dynamic>>(:async_temporary_0), _in::unsafeCast<core::List<core::int>>(:result_or_exception));
              function testStream2() → asy::Stream<core::int> /* originally async* */ {
                asy::_AsyncStarStreamController<core::int>? :controller;
                dynamic :controller_stream;
                (dynamic) → dynamic :async_op_then;
                (core::Object, core::StackTrace) → dynamic :async_op_error;
                core::int :await_jump_var = 0;
                dynamic :await_ctx_var;
                dynamic :saved_try_context_var0;
                dynamic :saved_try_context_var1;
                function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
                  try
                    try {
                      #L16:
                      {
                        [yield] let dynamic #t55 = asy::_awaitHelper(func<asy::Stream<core::int>>(self::intStream()){(asy::Stream<core::int>) → FutureOr<asy::Stream<core::int>>}, :async_op_then, :async_op_error) in null;
                        if(:controller.{asy::_AsyncStarStreamController::addStream}(_in::unsafeCast<asy::Stream<core::int>>(:result_or_exception)){(asy::Stream<core::int>) → core::bool})
                          return null;
                        else
                          [yield] null;
                      }
                      return;
                    }
                    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
                      :controller.{asy::_AsyncStarStreamController::addError}(exception, stack_trace){(core::Object, core::StackTrace) → void};
                    }
                  finally {
                    :controller.{asy::_AsyncStarStreamController::close}(){() → dynamic};
                  }
                :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
                :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
                :controller = new asy::_AsyncStarStreamController::•<core::int>(:async_op);
                :controller_stream = :controller.{asy::_AsyncStarStreamController::stream}{asy::Stream<core::int>};
                return :controller_stream;
              }
              :async_temporary_1 = core::_GrowableList::_literal1<dynamic>(42);
              [yield] let dynamic #t56 = asy::_awaitHelper(testStream2(){() → asy::Stream<core::int>}.{asy::Stream::toList}(){() → asy::Future<core::List<core::int>>}, :async_op_then, :async_op_error) in null;
              self::expectList(_in::unsafeCast<core::List<dynamic>>(:async_temporary_1), _in::unsafeCast<core::List<core::int>>(:result_or_exception));
            }
          }
        }
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method future<T extends core::Object? = dynamic>(self::future::T% value) → FutureOr<self::future::T%> /* originally async */ {
  final asy::_Future<self::future::T%> :async_future = new asy::_Future::•<self::future::T%>();
  core::bool* :is_sync = false;
  FutureOr<self::future::T%>? :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L17:
      {
        :return_value = value;
        break #L17;
      }
      asy::_completeOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method id<T extends core::Object? = dynamic>(self::id::T% value) → FutureOr<self::id::T%>
  return value;
static method intStream() → asy::Stream<core::int> /* originally async* */ {
  asy::_AsyncStarStreamController<core::int>? :controller;
  dynamic :controller_stream;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  dynamic :saved_try_context_var1;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try
      try {
        #L18:
        {
          if(:controller.{asy::_AsyncStarStreamController::add}(42){(core::int) → core::bool})
            return null;
          else
            [yield] null;
        }
        return;
      }
      on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
        :controller.{asy::_AsyncStarStreamController::addError}(exception, stack_trace){(core::Object, core::StackTrace) → void};
      }
    finally {
      :controller.{asy::_AsyncStarStreamController::close}(){() → dynamic};
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :controller = new asy::_AsyncStarStreamController::•<core::int>(:async_op);
  :controller_stream = :controller.{asy::_AsyncStarStreamController::stream}{asy::Stream<core::int>};
  return :controller_stream;
}
static method main() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (dynamic) → dynamic :async_op_then;
  (core::Object, core::StackTrace) → dynamic :async_op_error;
  core::int :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L19:
      {
        for (core::int i = 0; i.{core::num::<}(11){(core::num) → core::bool}; i = i.{core::num::+}(1){(core::num) → core::int}) {
          [yield] let dynamic #t57 = asy::_awaitHelper(self::staticMembers(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
          [yield] let dynamic #t58 = asy::_awaitHelper(self::topLevelMembers(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
          [yield] let dynamic #t59 = asy::_awaitHelper(self::instanceMembers(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
          [yield] let dynamic #t60 = asy::_awaitHelper(self::conditionals(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
          [yield] let dynamic #t61 = asy::_awaitHelper(self::others(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
          [yield] let dynamic #t62 = asy::_awaitHelper(self::asserts(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
          [yield] let dynamic #t63 = asy::_awaitHelper(self::controlFlow(), :async_op_then, :async_op_error) in null;
          :result_or_exception;
        }
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() → dynamic};
  :is_sync = true;
  return :async_future;
}
static method expect(dynamic expected, dynamic actual) → dynamic {
  if(!(expected =={core::Object::==}{(core::Object) → core::bool} actual))
    throw "Expected ${expected}, actual ${actual}";
}
static method expectList(core::List<dynamic> expected, core::List<dynamic> actual) → dynamic {
  if(!(expected.{core::List::length}{core::int} =={core::num::==}{(core::Object) → core::bool} actual.{core::List::length}{core::int})) {
    throw "Expected ${expected}, actual ${actual}";
  }
  for (core::int i = 0; i.{core::num::<}(expected.{core::List::length}{core::int}){(core::num) → core::bool}; i = i.{core::num::+}(1){(core::num) → core::int}) {
    self::expect(expected.{core::List::[]}(i){(core::int) → dynamic}, actual.{core::List::[]}(i){(core::int) → dynamic});
  }
}

constants  {
  #C1 = static-tearoff self::id
  #C2 = static-tearoff self::future
  #C3 = 2
}