Band-aid fix for issue #24191.

pkg/analyzer/test/generated/non_error_resolver_test.dart

Index: pkg/analyzer/test/generated/non_error_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/non_error_resolver_test.dart b/pkg/analyzer/test/generated/non_error_resolver_test.dart
index 476bc198e73e5f90d9d549e7fb27177ee2c094c2..f8c20c1d447e4d16c4d47353023d9071a95789cc 100644
--- a/pkg/analyzer/test/generated/non_error_resolver_test.dart
+++ b/pkg/analyzer/test/generated/non_error_resolver_test.dart
@@ -2988,6 +2988,22 @@ main() {
     verify([source]);
   }
 
+  void test_issue_24191() {
+    Source source = addSource('''
+import 'dart:async';
+
+class S extends Stream {}
+f(S s) async {
+  await for (var v in s) {
+    print(v);
+  }
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
   void test_listElementTypeNotAssignable() {
     Source source = addSource(r'''
 var v1 = <int> [42];