[stubs] Ensure that the stubs are recompiled in respective tests.

src/code-stubs.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-stubs.h"
 
 #include <sstream>
 
 #include "src/ast/ast.h"
 #include "src/bootstrapper.h"
@@ skipping 94 matching lines @@
 
 
 Handle<Code> CodeStub::GetCodeCopy(const Code::FindAndReplacePattern& pattern) {
   Handle<Code> ic = GetCode();
   ic = isolate()->factory()->CopyCode(ic);
   ic->FindAndReplace(pattern);
   RecordCodeGeneration(ic);
   return ic;
 }
 
+void CodeStub::DeleteStubFromCacheForTesting() {
+  Heap* heap = isolate_->heap();
+  Handle<UnseededNumberDictionary> dict(heap->code_stubs());
+  dict = UnseededNumberDictionary::DeleteKey(dict, GetKey());
+  heap->SetRootCodeStubs(*dict);
+}
 
 Handle<Code> PlatformCodeStub::GenerateCode() {
   Factory* factory = isolate()->factory();
 
   // Generate the new code.
   MacroAssembler masm(isolate(), NULL, 256, CodeObjectRequired::kYes);
 
   {
     // Update the static counter each time a new code stub is generated.
     isolate()->counters()->code_stubs()->Increment();
@@ skipping 3073 matching lines @@
 }
 
 ArrayConstructorStub::ArrayConstructorStub(Isolate* isolate)
     : PlatformCodeStub(isolate) {}
 
 InternalArrayConstructorStub::InternalArrayConstructorStub(Isolate* isolate)
     : PlatformCodeStub(isolate) {}
 
 }  // namespace internal
 }  // namespace v8