Fix access semantics for foreach loops.

pkg/analyzer/lib/src/generated/ast.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.ast;
 
 import 'dart:collection';
@@ skipping 16336 matching lines @@
     if (parent is Label) {
       return false;
     }
     // analyze usage
     if (parent is AssignmentExpression) {
       AssignmentExpression expr = parent as AssignmentExpression;
       if (identical(expr.leftHandSide, target) && expr.operator.type == TokenType.EQ) {
         return false;
       }
     }
+    if (parent is ForEachStatement) {
+      ForEachStatement stmt = parent as ForEachStatement;
+      if (identical(stmt.identifier, target)) {
+        return false;
+      }
+    }
     return true;
   }
 
   /**
    * Return `true` if this expression is computing a left-hand value.
    *
    * Note that [inGetterContext] and [inSetterContext] are not opposites, nor are
    * they mutually exclusive. In other words, it is possible for both methods to return `true`
    * when invoked on the same node.
    *
@@ skipping 19 matching lines @@
       parent = access.parent;
       target = access;
     }
     // analyze usage
     if (parent is PrefixExpression) {
       return (parent as PrefixExpression).operator.type.isIncrementOperator;
     } else if (parent is PostfixExpression) {
       return true;
     } else if (parent is AssignmentExpression) {
       return identical((parent as AssignmentExpression).leftHandSide, target);
+    } else if (parent is ForEachStatement) {
+      return identical((parent as ForEachStatement).identifier, target);
     }
     return false;
   }
 
   /**
    * Returns `true` if this identifier is the "name" part of a prefixed identifier or a method
    * invocation.
    *
    * @return `true` if this identifier is the "name" part of a prefixed identifier or a method
    *         invocation
@@ skipping 3847 matching lines @@
     _elements[index] = node;
   }
   void clear() {
     _elements = <E> [];
   }
   int get length => _elements.length;
   void set length(int value) {
     throw new UnsupportedError("Cannot resize NodeList.");
   }
 }