[es6] super.prop, eval and lazy functions

src/preparser.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_PREPARSER_H
 #define V8_PREPARSER_H
 
 #include "src/v8.h"
 
 #include "src/bailout-reason.h"
@@ skipping 1606 matching lines @@
     // PreParser should not use FuncNameInferrer.
     UNREACHABLE();
   }
 
   static void CheckFunctionLiteralInsideTopLevelObjectLiteral(
       Scope* scope, PreParserExpression property, bool* has_function) {}
 
   static void CheckAssigningFunctionLiteralToProperty(
       PreParserExpression left, PreParserExpression right) {}
 
-  // PreParser doesn't need to keep track of eval calls.
   static void CheckPossibleEvalCall(PreParserExpression expression,
-                                    Scope* scope) {}
+                                    Scope* scope) {
+    if (IsIdentifier(expression) && IsEval(AsIdentifier(expression))) {
+      scope->DeclarationScope()->RecordEvalCall();
+      scope->RecordEvalCall();
+    }
+  }
 
   static PreParserExpression MarkExpressionAsAssigned(
       PreParserExpression expression) {
     // TODO(marja): To be able to produce the same errors, the preparser needs
     // to start tracking which expressions are variables and which are assigned.
     return expression;
   }
 
   bool ShortcutNumericLiteralBinaryExpression(PreParserExpression* x,
                                               PreParserExpression y,
@@ skipping 2405 matching lines @@
       *ok = false;
       return;
     }
     has_seen_constructor_ = true;
     return;
   }
 }
 } }  // v8::internal
 
 #endif  // V8_PREPARSER_H