Ensure that Code objects' kind specific flags are initialized properly.

src/stub-cache.cc

Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index a562ace477a66ae99fc8d5cd638ebbad8817791e..6e68314be7ebd9299ceda913e2d95737e3641c40 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -1100,6 +1100,9 @@ Handle<Code> StubCompiler::GetCodeWithFlags(Code::Flags flags,
   CodeDesc desc;
   masm_.GetCode(&desc);
   Handle<Code> code = factory()->NewCode(desc, flags, masm_.CodeObject());
+  if (code->has_major_key()) {

[Hannes Payer (out of office), 2013/12/13 10:03:26]

I think it would make sense to set the major key in CreateCode.

[Jakob Kummerow, 2013/12/13 10:14:25]

I disagree. CreateCode() sets it to UninitializedMajorKey. Everything else is at
the caller's discretion.

+    code->set_major_key(CodeStub::NoCache);
+  }
 #ifdef ENABLE_DISASSEMBLER
   if (FLAG_print_code_stubs) code->Disassemble(name);
 #endif