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

test/cctest/test-serialize.cc

 // Copyright 2007-2010 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 1859 matching lines @@
   Handle<HeapNumber> number = isolate->factory()->NewHeapNumber(0.3);
   CHECK(isolate->heap()->InNewSpace(*number));
   Handle<Code> code;
   {
     MacroAssembler* masm = &assembler;
     Handle<Cell> cell = isolate->factory()->NewCell(number);
     masm->Move(rax, cell, RelocInfo::CELL);
     masm->movp(rax, Operand(rax, 0));
     masm->ret(0);
     CodeDesc desc;
-    masm->GetCode(&desc);
+    masm->GetCode(isolate, &desc);
     code = isolate->factory()->NewCode(desc, Code::ComputeFlags(Code::FUNCTION),
                                        masm->CodeObject());
     code->set_has_reloc_info_for_serialization(true);
   }
   RelocIterator rit1(*code, 1 << RelocInfo::CELL);
   CHECK_EQ(*number, rit1.rinfo()->target_cell()->value());
 
   Handle<String> source = isolate->factory()->empty_string();
   Handle<SharedFunctionInfo> sfi =
       isolate->factory()->NewSharedFunctionInfo(source, code, false);
@@ skipping 28 matching lines @@
   MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size),
                            v8::internal::CodeObjectRequired::kYes);
   assembler.enable_serializer();
   Handle<Object> number = isolate->factory()->NewHeapNumber(0.3);
   CHECK(isolate->heap()->InNewSpace(*number));
   Handle<Code> code;
   {
     MacroAssembler* masm = &assembler;
     masm->Push(number);
     CodeDesc desc;
-    masm->GetCode(&desc);
+    masm->GetCode(isolate, &desc);
     code = isolate->factory()->NewCode(desc, Code::ComputeFlags(Code::FUNCTION),
                                        masm->CodeObject());
     code->set_has_reloc_info_for_serialization(true);
   }
   RelocIterator rit1(*code, RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT));
   CHECK_EQ(*number, rit1.rinfo()->target_object());
 
   Handle<String> source = isolate->factory()->empty_string();
   Handle<SharedFunctionInfo> sfi =
       isolate->factory()->NewSharedFunctionInfo(source, code, false);
@@ skipping 607 matching lines @@
   }
   delete[] blob.data;
 }
 
 TEST(SerializationMemoryStats) {
   FLAG_profile_deserialization = true;
   FLAG_always_opt = false;
   v8::StartupData blob = v8::V8::CreateSnapshotDataBlob();
   delete[] blob.data;
 }