Report UNMATCHED_TOKEN instead of EXTRANEOUS_MODIFIER

pkg/compiler/lib/src/parser/parser.dart

Index: pkg/compiler/lib/src/parser/parser.dart
diff --git a/pkg/compiler/lib/src/parser/parser.dart b/pkg/compiler/lib/src/parser/parser.dart
index 821fcad03d8d64496ba4c78f3bc4c16fab8fa862..285a4197719d801a445297fdd0968a163daea373 100644
--- a/pkg/compiler/lib/src/parser/parser.dart
+++ b/pkg/compiler/lib/src/parser/parser.dart
@@ -28,6 +28,7 @@ import '../tokens/precedence_constants.dart'
 import '../tokens/token.dart'
     show
         BeginGroupToken,
+        ErrorToken,
         isUserDefinableOperator,
         KeywordToken,
         SymbolToken,
@@ -1000,7 +1001,11 @@ class Parser {
         ? MessageKind.EXTRANEOUS_MODIFIER
         : MessageKind.EXTRANEOUS_MODIFIER_REPLACE;
     for (Token modifier in modifierList) {
-      listener.reportError(modifier, kind, {'modifier': modifier});
+      if (modifier is ErrorToken) {

[ahe, 2016/05/03 11:11:38]

Modify Listenener.reportError instead.

[Johnni Winther, 2016/05/04 08:07:31]

Done.

+        listener.reportErrorToken(modifier);
+      } else {
+        listener.reportError(modifier, kind, {'modifier': modifier});
+      }
     }
     return null;
   }