Represent implicit 'this' binding by 'super' in AST.

src/compiler/ast-loop-assignment-analyzer.cc

 // Copyright 2014 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.
 
 #include "src/compiler/ast-loop-assignment-analyzer.h"
 #include "src/compiler.h"
 #include "src/parser.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 143 matching lines @@
 
 void ALAA::VisitProperty(Property* e) {
   Visit(e->obj());
   Visit(e->key());
 }
 
 
 void ALAA::VisitCall(Call* e) {
   Visit(e->expression());
   VisitExpressions(e->arguments());
-  // TODO(mstarzinger): It sure would be nice if this were desugared.
-  if (e->GetCallType(isolate()) == Call::SUPER_CALL) {
-    SuperCallReference* super = e->expression()->AsSuperCallReference();
-    AnalyzeAssignment(super->this_var()->var());
-  }
 }
 
 
 void ALAA::VisitCallNew(CallNew* e) {
   Visit(e->expression());
   VisitExpressions(e->arguments());
 }
 
 
 void ALAA::VisitCallRuntime(CallRuntime* e) {
@@ skipping 115 matching lines @@
   int count = 0;
   int var_index = AstLoopAssignmentAnalyzer::GetVariableIndex(scope, var);
   for (size_t i = 0; i < list_.size(); i++) {
     if (list_[i].second->Contains(var_index)) count++;
   }
   return count;
 }
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8