ES6: Add support for method shorthand in object literals

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 4c29e34d40510f54765641c02abdca3425bb41d0..8ae6b21ed33ea27a2f8b804b2a3ca21936c7be7b 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -7450,17 +7450,18 @@ class HFunctionLiteral V8_FINAL : public HTemplateInstruction<1> {
   bool pretenure() const { return pretenure_; }
   bool has_no_literals() const { return has_no_literals_; }
   bool is_generator() const { return is_generator_; }
+  bool is_concise_method() const { return is_concise_method_; }
   StrictMode strict_mode() const { return strict_mode_; }
 
  private:
-  HFunctionLiteral(HValue* context,
-                   Handle<SharedFunctionInfo> shared,
+  HFunctionLiteral(HValue* context, Handle<SharedFunctionInfo> shared,
                    bool pretenure)
       : HTemplateInstruction<1>(HType::JSObject()),
         shared_info_(shared),
         pretenure_(pretenure),
         has_no_literals_(shared->num_literals() == 0),
         is_generator_(shared->is_generator()),
+        is_concise_method_(shared->is_concise_method()),
         strict_mode_(shared->strict_mode()) {
     SetOperandAt(0, context);
     set_representation(Representation::Tagged());
@@ -7473,6 +7474,7 @@ class HFunctionLiteral V8_FINAL : public HTemplateInstruction<1> {
   bool pretenure_ : 1;
   bool has_no_literals_ : 1;
   bool is_generator_ : 1;
+  bool is_concise_method_ : 1;
   StrictMode strict_mode_;
 };