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

test/cctest/test-serialize.cc

Index: test/cctest/test-serialize.cc
diff --git a/test/cctest/test-serialize.cc b/test/cctest/test-serialize.cc
index 02bb780a0ee2af1f3b2a3899f5df0a3ad3fdae76..1de3a715272988ffc02d3282f789cc93ff097ff6 100644
--- a/test/cctest/test-serialize.cc
+++ b/test/cctest/test-serialize.cc
@@ -1877,7 +1877,7 @@ TEST(CodeSerializerCell) {
     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);
@@ -1926,7 +1926,7 @@ TEST(CodeSerializerEmbeddedObject) {
     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);