[Windows] Mark CodeImmutability Crash, Timeout

runtime/tests/vm/vm.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.
 
 # Issue 28198
 cc/IsolateReload_PendingUnqualifiedCall_InstanceToStatic: SkipSlow
 cc/IsolateReload_PendingUnqualifiedCall_StaticToInstance: SkipSlow
 cc/IsolateReload_PendingConstructorCall_AbstractToConcrete: SkipSlow
 cc/IsolateReload_PendingConstructorCall_ConcreteToAbstract: SkipSlow
 cc/IsolateReload_PendingStaticCall_DefinedToNSM: SkipSlow
 cc/IsolateReload_PendingStaticCall_NSMToDefined: SkipSlow
 
 # These tests are expected to crash on all platforms.
 cc/ArrayNew_Overflow_Crash: SkipSlow
 cc/AllocGeneric_Overflow: SkipSlow
-cc/CodeImmutability: Crash
 cc/Fail0: Fail
 cc/Fail1: Fail
 cc/Fail2: Fail
 
 cc/Dart2JSCompileAll: Fail, Crash # Issue 27369
 cc/Dart2JSCompilerStats: Fail, Crash # Issue 27369
 
 cc/SNPrint_BadArgs: Skip
 
 cc/Profiler_InliningIntervalBoundry: Skip # Differences in ia32, debug, release
 
 # Flaky on buildbot. Issue 5133 and 10409.
 cc/Sleep: Skip # Flaky
 
 dart/data_uri_import_test/none: SkipByDesign
 
 [ $mode == debug ]
 # This is a benchmark that is not informative in debug mode.
 cc/CorelibIsolateStartup: Skip
 # Negative tests of VerifiedMemory should crash iff in DEBUG mode.
 # TODO(koda): Improve support for negative tests.
 cc/VerifyImplicit_Crash: Crash
 cc/VerifyExplicit_Crash: Crash
 # It can take some time for all the isolates to shutdown in a Debug build.
 dart/spawn_shutdown_test: Pass, Slow  # VM Shutdown test
 
-# The following section refers to the dart vm tests which live under
-# runtime/tests/vm/dart.
+# CodeImmutability test ocassionally times out on Windows. Issue #30202.
+[ $system != windows ]
+cc/CodeImmutability: Crash
+
 [ $system == windows ]
+cc/CodeImmutability: Crash, Timeout
 cc/Dart2JSCompileAll: Skip
 cc/ExternalizeConstantStrings: Skip
 cc/Service_Profile: Skip
 cc/Dart2JSCompilerStats: Skip
 cc/CorelibCompilerStats: Skip
 
 [ $system == fuchsia ]
 # OOM crash can bring down the OS.
 dart/spawn_shutdown_test: Skip
 cc/CorelibIsolateStartup: Skip
@@ skipping 477 matching lines @@
 cc/IsolateReload_TearOff_Library_Identity: Crash
 cc/IsolateReload_TearOff_List_Set: Crash
 cc/IsolateReload_TypeIdentity: Crash
 cc/IsolateReload_TypeIdentityGeneric: Crash
 cc/IsolateReload_TypeIdentityParameter: Crash
 cc/Parser_AllocateVariables_CaptureLoopVar: Crash
 cc/Parser_AllocateVariables_Issue7681: Crash
 cc/Parser_AllocateVariables_MiddleChain: Crash
 cc/Parser_AllocateVariables_NestedCapturedVar: Crash
 cc/Parser_AllocateVariables_TwoChains: Crash