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

test/cctest/test-code-stubs-ia32.cc

 // Copyright 2013 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 97 matching lines @@
 
   __ pop(edi);
   __ pop(esi);
   __ pop(edx);
   __ pop(ecx);
   __ pop(ebx);
 
   __ ret(kDoubleSize);
 
   CodeDesc desc;
-  assm.GetCode(&desc);
+  assm.GetCode(isolate, &desc);
   return reinterpret_cast<ConvertDToIFunc>(
       reinterpret_cast<intptr_t>(buffer));
 }
 
 #undef __
 
 
 static Isolate* GetIsolateFrom(LocalContext* context) {
   return reinterpret_cast<Isolate*>((*context)->GetIsolate());
 }
@@ skipping 17 matching lines @@
 
   for (size_t s = 0; s < sizeof(source_registers) / sizeof(Register); s++) {
     for (size_t d = 0; d < sizeof(dest_registers) / sizeof(Register); d++) {
       RunAllTruncationTests(
           MakeConvertDToIFuncTrampoline(isolate,
                                         source_registers[s],
                                         dest_registers[d]));
     }
   }
 }