Preview of a first step towards unification of hydrogen calls

src/codegen.cc

Index: src/codegen.cc
diff --git a/src/codegen.cc b/src/codegen.cc
index adb47b8fe46533deb2128d16c68ce1ca9f5c845a..74972c07ca19c320e763ed718d924eb8d2b8d70f 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -111,6 +111,7 @@ Handle<Code> CodeGenerator::MakeCodeEpilogue(MacroAssembler* masm,
       Code::ExtractKindFromFlags(flags) == Code::OPTIMIZED_FUNCTION ||
       info->IsStub();
   masm->GetCode(&desc);
+  AllowDeferredHandleDereference allow_deferred_handle_dereference;
   Handle<Code> code =
       isolate->factory()->NewCode(desc, flags, masm->CodeObject(),
                                   false, is_crankshafted,