dart2js: Fix csp minified.

sdk/lib/_internal/compiler/js_lib/js_helper.dart

 // Copyright (c) 2013, 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 _js_helper;
 
 import 'dart:_async_await_error_codes' as async_error_codes;
 
 import 'dart:_js_embedded_names' show
     DEFERRED_LIBRARY_URIS,
@@ skipping 708 matching lines @@
   /// Returns the type of [object] as a string (including type arguments).
   ///
   /// In minified mode, uses the unminified names if available.
   static String objectTypeName(Object object) {
     String name = constructorNameFallback(getInterceptor(object));
     if (name == 'Object') {
       // Try to decompile the constructor by turning it into a string and get
       // the name out of that. If the decompiled name is a string containing an
       // identifier, we use that instead of the very generic 'Object'.
       var decompiled =
-          JS('var', r'#.match(/^\s*function\s*(\S*)\s*\(/)[1]',
+          JS('var', r'#.match(/^\s*function\s*([\w$]*)\s*\(/)[1]',
               JS('var', r'String(#.constructor)', object));
       if (decompiled is String)
         if (JS('bool', r'/^\w+$/.test(#)', decompiled))
           name = decompiled;
     }
     // TODO(kasperl): If the namer gave us a fresh global name, we may
     // want to remove the numeric suffix that makes it unique too.
     if (name.length > 1 && identical(name.codeUnitAt(0), DOLLAR_CHAR_VALUE)) {
       name = name.substring(1);
     }
@@ skipping 3236 matching lines @@
   // This is a function that will return a helper function that does the
   // iteration of the sync*.
   //
   // Each invocation should give a body with fresh state.
   final dynamic /* js function */ _outerHelper;
 
   SyncStarIterable(this._outerHelper);
 
   Iterator get iterator => new SyncStarIterator(JS('', '#()', _outerHelper));
 }