ES6: Add support for method shorthand in object literals

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 0a6ac17f9bc784e37f5ad03c5645a030d095b4a5..01770db7f4482e40bfe55d13ec6bf592cfa00500 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -5433,9 +5433,8 @@ void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) {
   // space for nested functions that don't need literals cloning.
   bool pretenure = instr->hydrogen()->pretenure();
   if (!pretenure && instr->hydrogen()->has_no_literals()) {
-    FastNewClosureStub stub(isolate(),
-                            instr->hydrogen()->strict_mode(),
-                            instr->hydrogen()->is_generator());
+    FastNewClosureStub stub(isolate(), instr->hydrogen()->strict_mode(),
+                            instr->hydrogen()->kind());
     __ Move(rbx, instr->hydrogen()->shared_info());
     CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
   } else {