[compiler] Remove obsolete JSYield operator.

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/parsing/parser.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 133 matching lines @@
   for (int i = 0; i < properties->length(); i++) {
     Visit(properties->at(i)->key());
     Visit(properties->at(i)->value());
   }
 }
 
 
 void ALAA::VisitArrayLiteral(ArrayLiteral* e) { VisitExpressions(e->values()); }
 
 
-void ALAA::VisitYield(Yield* stmt) {
-  Visit(stmt->generator_object());
-  Visit(stmt->expression());
-}
+void ALAA::VisitYield(Yield* stmt) { UNREACHABLE(); }

[Michael Starzinger, 2016/05/17 15:49:32]

Likewise, this runs before the AstGrpahBuilder, lets keep this method unchanged.

 
 
 void ALAA::VisitThrow(Throw* stmt) { Visit(stmt->exception()); }
 
 
 void ALAA::VisitProperty(Property* e) {
   Visit(e->obj());
   Visit(e->key());
 }
 
@@ skipping 145 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