More shared messages.

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
@@ skipping 3640 matching lines @@
   }
 
   ResolutionResult visitNodeList(NodeList node) {
     for (Link<Node> link = node.nodes; !link.isEmpty; link = link.tail) {
       visit(link.head);
     }
     return const NoneResult();
   }
 
   ResolutionResult visitRethrow(Rethrow node) {
-    if (!inCatchBlock) {
+    if (!inCatchBlock && node.throwToken.stringValue == 'rethrow') {
       reporter.reportErrorMessage(
-          node, MessageKind.THROW_WITHOUT_EXPRESSION);
+          node, MessageKind.RETHROW_OUTSIDE_CATCH);
     }
     return const NoneResult();
   }
 
   ResolutionResult visitReturn(Return node) {
     Node expression = node.expression;
     if (expression != null) {
       if (enclosingElement.isGenerativeConstructor) {
         // It is a compile-time error if a return statement of the form
         // `return e;` appears in a generative constructor.  (Dart Language
@@ skipping 1190 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);
 }