Use JavaScript runtime semantics when constant folding.

tests/co19/co19-dart2js.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 [ $compiler == dart2js ]
 Language/05_Variables/05_Variables_A05_t03: Fail, OK
 Language/05_Variables/05_Variables_A04_t09: Fail, OK
 Language/05_Variables/05_Variables_A03_t09: Fail, OK
 Language/12_Libraries_and_Scripts/3_Includes_A02_t03: Fail, OK
 LibTest/core/double/ceil_A01_t03: Fail, OK
@@ skipping 728 matching lines @@
 Language/10_Expressions/13_Function_Invocation/4_Function_Expression_Invocation_A03_t02: Fail # Runtime error: TypeError: Object 1 has no method '$call$3'
 Language/10_Expressions/13_Function_Invocation/3_Unqualified_Invocation_A01_t03: Fail # Runtime error: TypeError: Object a1 has no method '$call$2'
 LibTest/isolate/isolate_api/spawnUri_A01_t01: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t02: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t03: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t04: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t05: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/SendPort/send_A02_t04: Fail # Runtime error: TypeError: Cannot call method 'toSendPort$0' of undefined.
 LibTest/isolate/isolate_api/spawnFunction_A02_t01: Fail # Runtime error: Expect.throws() fails.
 
+LibTest/core/int/operator_NOT_A01_t01: Fail, OK # Expects negative result from bit-operation.
+LibTest/core/int/operator_XOR_A01_t01: Fail, OK # Requires bigints.
+LibTest/core/int/operator_AND_A01_t01: Fail, OK # Requires bigints.
+LibTest/core/int/operator_right_shift_A01_t01: Fail, OK # Expects negative result from bit-operation.
+LibTest/core/int/operator_OR_A01_t01: Fail, OK # Requires bigints.
+LibTest/core/int/operator_remainder_A01_t01: Fail, OK # Requires bigints.
 
 # These test cases use the deprecated Isolate API and should be updated to
 # use spawnFunction: issue ...
 LibTest/isolate/Isolate/port_A01_t02: Fail, OK
 LibTest/isolate/Isolate/port_A01_t01: Fail, OK
 LibTest/isolate/Isolate/main_A01_t01: Fail, OK
 LibTest/isolate/Isolate/class_A01_t01: Fail, OK
 LibTest/isolate/Isolate/Isolate_class_A01_t01: Fail, OK
 LibTest/isolate/Isolate/Isolate_class_A02_t01: Fail, OK
 LibTest/isolate/Isolate/Isolate_A01_t01: Fail, OK
@@ skipping 170 matching lines @@
 LibTest/core/int/remainder_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/remainder_A01_t03: Fail, OK # Leg only has double.
 LibTest/core/int/toDouble_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/toInt_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/toRadixString_A01_t01: Fail, OK # Bad test: uses Expect.fail, Expect.throws, assumes case of result, and uses unsupported radixes.
 LibTest/core/int/toStringAsExponential_A01_t01: Fail, OK # Co19 Issue 112.
 LibTest/core/int/toStringAsFixed_A01_t01: Fail, OK # Co19 Issue 114.
 LibTest/core/int/toStringAsPrecision_A01_t01: Fail, OK # Co19 Issue 113.
 LibTest/core/String/contains_A01_t02: Fail, OK # co19 issue 105.
 Language/07_Classes/1_Instance_Methods/2_Operators_A02_t01: Fail, OK # Expects negative result from bit-operation.
-Language/10_Expressions/16_Assignment/1_Compound_Assignment_A01_t07: Fail, OK # Expects negative result from bit-operation.
-Language/10_Expressions/16_Assignment/1_Compound_Assignment_A01_t08: Fail, OK # Expects negative result from bit-operation.
-Language/10_Expressions/16_Assignment/1_Compound_Assignment_A01_t09: Fail, OK # Expects negative result from bit-operation.
-Language/10_Expressions/16_Assignment/1_Compound_Assignment_A01_t11: Fail, OK # Expects negative result from bit-operation.
 Language/13_Types/4_Interface_Types_A12_t10: Fail, OK # Type test assuming int != double.
 
 
 #
 # The following tests are failing. Please add the error message
 # (either a compiler error or exception message). The error messages
 # may sometime be out of date.
 #
 [ $compiler == dart2js ]
 Language/06_Functions/2_Formal_Parameters/2_Named_Optional_Formals_A01_t01: Fail # compiler cancelled: internal error: expected expected optional parameters
@@ skipping 162 matching lines @@
 Language/10_Expressions/28_Identifier_Reference_A06_t54: Fail # @compile-error
 Language/10_Expressions/28_Identifier_Reference_A06_t55: Fail # @compile-error
 Language/10_Expressions/28_Identifier_Reference_A06_t56: Fail # @compile-error
 Language/11_Statements/09_Try_A01_t14: Fail # @compile-error
 Language/12_Libraries_and_Scripts/2_Imports_A05_t01: Fail # @compile-error
 Language/14_Reference/1_Lexical_Rules/1_Reserved_Words_A30_t04: Fail # @compile-error
 Language/14_Reference/1_Lexical_Rules_A02_t06: Fail # @compile-error
 
 [ $compiler == dart2dart ]
 *: Skip