Handlify code allocation.

test/cctest/test-disasm-x64.cc

Index: test/cctest/test-disasm-x64.cc
diff --git a/test/cctest/test-disasm-x64.cc b/test/cctest/test-disasm-x64.cc
index 52f4e17ad0509f1f01f64f61011df52925033d50..b0b486c4e98cb21b1bae6645c78ffdff835be2d3 100644
--- a/test/cctest/test-disasm-x64.cc
+++ b/test/cctest/test-disasm-x64.cc
@@ -431,15 +431,12 @@ TEST(DisasmX64) {
 
   CodeDesc desc;
   assm.GetCode(&desc);
-  Object* code = CcTest::heap()->CreateCode(
-      desc,
-      Code::ComputeFlags(Code::STUB),
-      Handle<Code>())->ToObjectChecked();
-  CHECK(code->IsCode());
+  Handle<Code> code = isolate->factory()->NewCode(
+      desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
 #ifdef OBJECT_PRINT
-  Code::cast(code)->Print();
-  byte* begin = Code::cast(code)->instruction_start();
-  byte* end = begin + Code::cast(code)->instruction_size();
+  code->Print();
+  byte* begin = code->instruction_start();
+  byte* end = begin + code->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }