Fix for parsing EmptyFunctionBody with Fasta.

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

Index: pkg/compiler/lib/src/parser/node_listener.dart
diff --git a/pkg/compiler/lib/src/parser/node_listener.dart b/pkg/compiler/lib/src/parser/node_listener.dart
index 53f069a440e195bb70754da44a0bb5586c1e45ef..c31fe37821ced7b32f929cbea3d6769786cfff45 100644
--- a/pkg/compiler/lib/src/parser/node_listener.dart
+++ b/pkg/compiler/lib/src/parser/node_listener.dart
@@ -302,6 +302,10 @@ class NodeListener extends ElementListener {
     pushNode(new RedirectingFactoryBody(beginToken, endToken, popNode()));
   }
 
+  void endEmptyFunctionBody(Token semicolon) {
+    endFunctionBody(0, null, semicolon);
+  }
+
   void endExpressionFunctionBody(Token arrowToken, Token endToken) {
     endReturnStatement(true, arrowToken, endToken);
   }