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

test/cctest/test-code-stubs-mips64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Rrdistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Rrdistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Rrdistributions 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 119 matching lines @@
 
   // Restore callee save registers.
   __ MultiPop(kCalleeSaved | ra.bit());
 
   Label ok1;
   __ Branch(&ok1, eq, v0, Operand(zero_reg));
   __ bind(&ok1);
   __ Ret();
 
   CodeDesc desc;
-  masm.GetCode(&desc);
+  masm.GetCode(isolate, &desc);
   Assembler::FlushICache(isolate, buffer, actual_size);
   return (reinterpret_cast<ConvertDToIFunc>(
       reinterpret_cast<intptr_t>(buffer)));
 }
 
 #undef __
 
 
 static Isolate* GetIsolateFrom(LocalContext* context) {
   return reinterpret_cast<Isolate*>((*context)->GetIsolate());
@@ skipping 41 matching lines @@
                                         false));
       RunAllTruncationTests(
           RunGeneratedCodeCallWrapper,
           MakeConvertDToIFuncTrampoline(isolate,
                                         source_registers[s],
                                         dest_registers[d],
                                         true));
     }
   }
 }