Fixes bug in scoping for generic methods.

pkg/compiler/lib/src/resolution/members.dart

 // Copyright (c) 2012, 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.
 
 library dart2js.resolution.members;
 
 import '../common.dart';
 import '../common/names.dart' show Selectors;
 import '../common/resolution.dart' show Feature;
 import '../compiler.dart' show Compiler;
@@ skipping 546 matching lines @@
   ///
   /// This is used to distinguish local function declarations from anonymous
   /// function expressions.
   ResolutionResult visitFunctionExpression(FunctionExpression node,
       {bool inFunctionDeclaration: false}) {
     bool doAddToScope = inFunctionDeclaration;
     if (!inFunctionDeclaration && node.name != null) {
       reporter.reportErrorMessage(node.name,
           MessageKind.NAMED_FUNCTION_EXPRESSION, {'name': node.name});
     }
-    visit(node.returnType);
     String name;
     if (node.name == null) {
       name = "";
     } else {
       name = node.name.asIdentifier().source;
     }
     LocalFunctionElementX function = new LocalFunctionElementX(
         name, node, ElementKind.FUNCTION, Modifiers.EMPTY, enclosingElement);
     ResolverTask.processAsyncMarker(compiler, function, registry);
     function.functionSignature = SignatureResolver.analyze(
@@ skipping 4148 matching lines @@
     }
     return const NoneResult();
   }
 }
 
 /// Looks up [name] in [scope] and unwraps the result.
 Element lookupInScope(
     DiagnosticReporter reporter, Node node, Scope scope, String name) {
   return Elements.unwrap(scope.lookup(name), reporter, node);
 }