assert isAsynchronous and isGenerator false if parseAsync is false

pkg/analyzer/lib/src/generated/parser.dart

Index: pkg/analyzer/lib/src/generated/parser.dart
diff --git a/pkg/analyzer/lib/src/generated/parser.dart b/pkg/analyzer/lib/src/generated/parser.dart
index de0306f68f7c9a3cc8eca99b9598f94f1bbd2b18..07a98e0ba7df104e7dc1395ec9e46d60ddc9d138 100644
--- a/pkg/analyzer/lib/src/generated/parser.dart
+++ b/pkg/analyzer/lib/src/generated/parser.dart
@@ -9381,8 +9381,8 @@ class ParserErrorCode extends ErrorCode {
   /**
    * Some environments, such as Fletch, do not support async.
    */
-  static const CompileTimeErrorCode ASYNC_NOT_SUPPORTED =
-      const CompileTimeErrorCode('ASYNC_NOT_SUPPORTED',
+  static const ParserErrorCode ASYNC_NOT_SUPPORTED =
+      const ParserErrorCode('ASYNC_NOT_SUPPORTED',
           "Async and sync are not supported in this environment.");
 
   static const ParserErrorCode BREAK_OUTSIDE_OF_LOOP = const ParserErrorCode(