Fix stack overflow printing recursive function types (issue 28835)

pkg/analyzer/lib/error/listener.dart

Index: pkg/analyzer/lib/error/listener.dart
diff --git a/pkg/analyzer/lib/error/listener.dart b/pkg/analyzer/lib/error/listener.dart
index 1f75fcb1b1f2366688cb53b5f61b1e00c3517311..2cf26f8967e2c0f2eada8f49d731c7ac8f6cbfc6 100644
--- a/pkg/analyzer/lib/error/listener.dart
+++ b/pkg/analyzer/lib/error/listener.dart
@@ -202,7 +202,7 @@ class ErrorReporter {
         if (name != null && name.length > 0) {
           StringBuffer buffer = new StringBuffer();
           buffer.write(name);
-          (type as TypeImpl).appendTo(buffer);
+          (type as TypeImpl).appendTo(buffer, new Set.identity());
           return buffer.toString();
         }
       }