ES6: Add support for method shorthand in object literals

src/hydrogen-instructions.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_
 #define V8_HYDROGEN_INSTRUCTIONS_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 7430 matching lines @@
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
     return Representation::Tagged();
   }
 
   DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral)
 
   Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
   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_; }
+  FunctionKind kind() const {
+    // TODO(arv): Update to handle concise generator methods.
+    // if (is_arrow()) return FunctionKind::kArrowFunction;
+    if (is_generator()) return FunctionKind::kGeneratorFunction;
+    if (is_concise_method()) return FunctionKind::kConciseMethod;
+    return FunctionKind::kNormalFunction;
+  }
   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());
     SetChangesFlag(kNewSpacePromotion);
   }
 
   virtual bool IsDeletable() const V8_OVERRIDE { return true; }
 
   Handle<SharedFunctionInfo> shared_info_;
   bool pretenure_ : 1;
   bool has_no_literals_ : 1;
   bool is_generator_ : 1;
+  bool is_concise_method_ : 1;
   StrictMode strict_mode_;
 };
 
 
 class HTypeof V8_FINAL : public HTemplateInstruction<2> {
  public:
   DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P1(HTypeof, HValue*);
 
   HValue* context() const { return OperandAt(0); }
   HValue* value() const { return OperandAt(1); }
@@ skipping 374 matching lines @@
 };
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_