Make it possible to Crankshaft all kinds of stubs.

src/code-stubs-hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 167 matching lines @@
  protected:
   virtual HValue* BuildCodeStub();
   Stub* casted_stub() { return static_cast<Stub*>(stub()); }
 };
 
 
 template <class Stub>
 static Handle<Code> DoGenerateCode(Stub* stub) {
   CodeStubGraphBuilder<Stub> builder(stub);
   LChunk* chunk = OptimizeGraph(builder.CreateGraph());
-  return chunk->Codegen(Code::COMPILED_STUB);
+  return chunk->Codegen();
 }
 
 
 template <>
 HValue* CodeStubGraphBuilder<FastCloneShallowArrayStub>::BuildCodeStub() {
   Zone* zone = this->zone();
   Factory* factory = isolate()->factory();
   AllocationSiteMode alloc_site_mode = casted_stub()->allocation_site_mode();
   FastCloneShallowArrayStub::Mode mode = casted_stub()->mode();
   int length = casted_stub()->length();
@@ skipping 43 matching lines @@
                                                length));
   }
 
   return environment()->Pop();
 }
 
 
 Handle<Code> FastCloneShallowArrayStub::GenerateCode() {
   CodeStubGraphBuilder<FastCloneShallowArrayStub> builder(this);
   LChunk* chunk = OptimizeGraph(builder.CreateGraph());
-  return chunk->Codegen(Code::COMPILED_STUB);
+  return chunk->Codegen();
 }
 
 
 template <>
 HValue* CodeStubGraphBuilder<FastCloneShallowObjectStub>::BuildCodeStub() {
   Zone* zone = this->zone();
   Factory* factory = isolate()->factory();
 
   HInstruction* boilerplate =
       AddInstruction(new(zone) HLoadKeyed(GetParameter(0),
@@ skipping 171 matching lines @@
   current_block()->MarkAsDeoptimizing();
   return GetParameter(0);
 }
 
 
 Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 } }  // namespace v8::internal