Introduce IKG into kernel-service to support incremental compilation.

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
@@ skipping 231 matching lines @@
 dart/data_uri_spawn_test: RuntimeError
 dart/double_materialize_test: RuntimeError
 dart/double_to_smi_test: RuntimeError
 dart/error_stacktrace_test: RuntimeError
 dart/inline_stack_frame_test: RuntimeError
 dart/optimized_stacktrace_line_test: RuntimeError
 dart/redirection_type_shuffling_test/none: RuntimeError # Issue 29201
 dart/regress29620_test: RuntimeError
 dart/spawn_shutdown_test: SkipSlow
 
+[ ($compiler != dartk) ]
+cc/IsolateReload_KernelIncrementalCompile: Skip
+cc/IsolateReload_KernelIncrementalCompileAppAndLib: Skip
+cc/IsolateReload_KernelIncrementalCompileGenerics: Skip
+
 [ ($compiler == dartk) && ($runtime == vm) ]
 cc/CanonicalizationInScriptSnapshots: Fail
 cc/Class_ComputeEndTokenPos: Crash
 cc/DartAPI_CurrentStackTraceInfo: Fail
 cc/DartAPI_FieldAccess: Crash
 cc/DartAPI_ImplicitNativeFieldAccess: Crash
 cc/DartAPI_ImportLibrary2: Crash
 cc/DartAPI_ImportLibrary3: Crash
 cc/DartAPI_ImportLibrary4: Crash
 cc/DartAPI_ImportLibrary5: Crash
@@ skipping 54 matching lines @@
 cc/IsolateReload_DanglingSetter_Instance: Fail
 cc/IsolateReload_DanglingSetter_Library: Fail
 cc/IsolateReload_DirectSubclasses_Failure: Fail
 cc/IsolateReload_DirectSubclasses_Success: Skip
 cc/IsolateReload_EnumDelete: Fail
 cc/IsolateReload_EnumReorderIdentical: Fail
 cc/IsolateReload_EnumToNotEnum: Skip
 cc/IsolateReload_ExportedLibModified: Crash
 cc/IsolateReload_ImportedLibModified: Crash
 cc/IsolateReload_ImportedMixinFunction: Crash
+cc/IsolateReload_KernelIncrementalCompileGenerics: Crash # Issue 30322
 cc/IsolateReload_LibraryHide: Crash
 cc/IsolateReload_LibraryLookup: Fail
 cc/IsolateReload_LibraryShow: Crash
 cc/IsolateReload_LiveStack: Fail
 cc/IsolateReload_MainLibModified: Crash
 cc/IsolateReload_NoLibsModified: Crash
 cc/IsolateReload_NotEnumToEnum: Skip
 cc/IsolateReload_NotTypedefToTypedef: Fail
 cc/IsolateReload_PendingSuperCall: Fail
 cc/IsolateReload_PrefixImportedLibModified: Crash
@@ skipping 72 matching lines @@
 
 [ ($compiler == dartk) && ($runtime == vm) && ($mode == release) ]
 cc/InjectNativeFields1: Fail
 cc/InjectNativeFields3: Fail
 cc/Service_TokenStream: Fail
 
 [ ($compiler == dartk) && ($runtime == vm) && ($mode == debug) ]
 cc/InjectNativeFields1: Crash
 cc/InjectNativeFields3: Crash
 cc/Service_TokenStream: Crash
+cc/IsolateReload_KernelIncrementalCompileAppAndLib: Crash # Issue 30420
 
 [ ($compiler == dartk) && ($runtime == vm) && ($system == macos) ]
 cc/IsolateReload_DanglingGetter_Class: Crash
 cc/IsolateReload_DanglingGetter_Instance: Crash
 cc/IsolateReload_DanglingGetter_Library: Crash
 cc/IsolateReload_DanglingSetter_Class: Crash
 cc/IsolateReload_DanglingSetter_Instance: Crash
 cc/IsolateReload_DanglingSetter_Library: Crash
 cc/IsolateReload_EnumDelete: Crash
 cc/IsolateReload_LibraryLookup: Crash
 cc/IsolateReload_RunNewFieldInitialiazersSuperClass: Crash
 cc/IsolateReload_RunNewFieldInitializersThrows: Crash
 cc/IsolateReload_TearOff_AddArguments2: Crash
 cc/IsolateReload_TearOff_AddArguments: Crash
 cc/IsolateReload_TearOff_Class_Identity: Crash
 cc/IsolateReload_TearOff_Instance_Equality: Crash
 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