[es6] implement spread calls

src/full-codegen.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_FULL_CODEGEN_H_
 #define V8_FULL_CODEGEN_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 352 matching lines @@
     Visit(expr);
     PrepareForBailout(expr, NO_REGISTERS);
   }
 
   void VisitForAccumulatorValue(Expression* expr) {
     AccumulatorValueContext context(this);
     Visit(expr);
     PrepareForBailout(expr, TOS_REG);
   }
 
-  void VisitForStackValue(Expression* expr) {
+  void VisitForStackValue(Expression* expr, bool allow_super = false) {
     StackValueContext context(this);
-    Visit(expr);
+    if (allow_super && expr->IsSuperReference()) {

[Dmitry Lomov (no reviews), 2015/03/31 10:09:42]

Do not do this. 
Instead, call EmitLoadSuperConstructor() explicitly.
Meaning of 'super' is different in different contexts.

+      EmitLoadSuperConstructor();
+      context.Plug(result_register());
+    } else {
+      Visit(expr);
+    }
     PrepareForBailout(expr, NO_REGISTERS);
   }
 
   void VisitForControl(Expression* expr,
                        Label* if_true,
                        Label* if_false,
                        Label* fall_through) {
     TestContext context(this, expr, if_true, if_false, fall_through);
     Visit(expr);
     // For test contexts, we prepare for bailout before branching, not at
@@ skipping 266 matching lines @@
   static bool NeedsHomeObject(Expression* expr) {
     return FunctionLiteral::NeedsHomeObject(expr);
   }
 
   // Adds the [[HomeObject]] to |initializer| if it is a FunctionLiteral.
   // The value of the initializer is expected to be at the top of the stack.
   // |offset| is the offset in the stack where the home object can be found.
   void EmitSetHomeObjectIfNeeded(Expression* initializer, int offset);
 
   void EmitLoadSuperConstructor();
+  void EmitInitializeThisAfterSuper(SuperReference* super_ref);
 
   void CallIC(Handle<Code> code,
               TypeFeedbackId id = TypeFeedbackId::None());
 
   void CallLoadIC(ContextualMode mode,
                   TypeFeedbackId id = TypeFeedbackId::None());
   void CallGlobalLoadIC(Handle<String> name);
   void CallStoreIC(TypeFeedbackId id = TypeFeedbackId::None());
 
   void SetFunctionPosition(FunctionLiteral* fun);
@@ skipping 388 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_