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

test/cctest/test-run-wasm-relocation-ia32.cc

 // Copyright 2015 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 <stdlib.h>
 
 #include "src/v8.h"
 
 #include "src/debug/debug.h"
 #include "src/disasm.h"
@@ skipping 21 matching lines @@
   DummyStaticFunction(NULL);
   int32_t imm = 1234567;
 
   __ mov(eax, Immediate(reinterpret_cast<Address>(imm),
                         RelocInfo::WASM_MEMORY_REFERENCE));
   __ nop();
   __ ret(0);
 
   CSignature0<int32_t> csig;
   CodeDesc desc;
-  assm.GetCode(&desc);
+  assm.GetCode(isolate, &desc);
   Handle<Code> code = isolate->factory()->NewCode(
       desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
   USE(code);
 
   CodeRunner<int32_t> runnable(isolate, code, &csig);
   int32_t ret_value = runnable.Call();
   CHECK_EQ(ret_value, imm);
 
 #ifdef OBJECT_PRINT
   OFStream os(stdout);
@@ skipping 42 matching lines @@
   __ cmp(eax, Immediate(reinterpret_cast<Address>(size),
                         RelocInfo::WASM_MEMORY_SIZE_REFERENCE));
   __ j(not_equal, &fail);
   __ ret(0);
   __ bind(&fail);
   __ mov(eax, 0xdeadbeef);
   __ ret(0);
 
   CSignature0<int32_t> csig;
   CodeDesc desc;
-  assm.GetCode(&desc);
+  assm.GetCode(isolate, &desc);
   Handle<Code> code = isolate->factory()->NewCode(
       desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
   USE(code);
 
   CodeRunner<int32_t> runnable(isolate, code, &csig);
   int32_t ret_value = runnable.Call();
   CHECK_NE(ret_value, bit_cast<int32_t>(0xdeadbeef));
 
 #ifdef OBJECT_PRINT
   OFStream os(stdout);
@@ skipping 17 matching lines @@
   CHECK_NE(ret_value, bit_cast<int32_t>(0xdeadbeef));
 
 #ifdef OBJECT_PRINT
   code->Print(os);
   begin = code->instruction_start();
   end = begin + code->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }
 #undef __