[compiler] Delay allocation of code-embedded heap numbers.

src/code-stubs-hydrogen.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 <memory>
 
 #include "src/assembler-inl.h"
 #include "src/bailout-reason.h"
@@ skipping 212 matching lines @@
     // Generate the code for the stub.
     masm.set_generating_stub(true);
     // TODO(yangguo): remove this once we can serialize IC stubs.
     masm.enable_serializer();
     NoCurrentFrameScope scope(&masm);
     GenerateLightweightMiss(&masm, miss);
   }
 
   // Create the code object.
   CodeDesc desc;
-  masm.GetCode(&desc);
+  masm.GetCode(isolate(), &desc);
 
   // Copy the generated code into a heap object.
   Handle<Code> new_object = factory->NewCode(
       desc, GetCodeFlags(), masm.CodeObject(), NeedsImmovableCode());
   return new_object;
 }
 
 Handle<Code> HydrogenCodeStub::GenerateRuntimeTailCall(
     CodeStubDescriptor* descriptor) {
   const char* name = CodeStub::MajorName(MajorKey());
@@ skipping 250 matching lines @@
   if_true.Return(graph()->GetConstantTrue());
   if_true.Else();
   if_true.End();
   return graph()->GetConstantFalse();
 }
 
 Handle<Code> ToBooleanICStub::GenerateCode() { return DoGenerateCode(this); }
 
 }  // namespace internal
 }  // namespace v8