fix #28519, assertion incorrectly triggering

pkg/analyzer/test/src/task/strong/checker_test.dart

Index: pkg/analyzer/test/src/task/strong/checker_test.dart
diff --git a/pkg/analyzer/test/src/task/strong/checker_test.dart b/pkg/analyzer/test/src/task/strong/checker_test.dart
index c38122e49c95991020fcfa4faf661ca55a0509c6..73fc16c5d48b058ac12fa345a192ac27da6a7e59 100644
--- a/pkg/analyzer/test/src/task/strong/checker_test.dart
+++ b/pkg/analyzer/test/src/task/strong/checker_test.dart
@@ -2424,6 +2424,21 @@ var fe1 = (int x) => x;
     check(implicitDynamic: false);
   }
 
+  void test_implicitDynamic_static() {
+    addFile(r'''
+class C {
+  static void test(int body()) {}
+}
+
+void main() {
+  C.test(/*info:INFERRED_TYPE_CLOSURE*/()  {
+    return 42;
+  });
+}
+''');
+    check(implicitDynamic: false);
+  }
+
   void test_implicitDynamic_type() {
     addFile(r'''
 class C<T> {}