Issue 28100. Fix for indirect not instantiated types, tests.

pkg/analyzer/test/generated/strong_mode_test.dart

Index: pkg/analyzer/test/generated/strong_mode_test.dart
diff --git a/pkg/analyzer/test/generated/strong_mode_test.dart b/pkg/analyzer/test/generated/strong_mode_test.dart
index b6589a60e62b6c59874869c76266945a9be2c9f6..99a2f4b18f5a5c30ed1b54189972bd32c478120d 100644
--- a/pkg/analyzer/test/generated/strong_mode_test.dart
+++ b/pkg/analyzer/test/generated/strong_mode_test.dart
@@ -1959,6 +1959,38 @@ void test() {
     expectIdentifierType('cc', "C<int, B<int>, B<dynamic>>");
   }
 
+  test_notInstantiatedBound_direct() async {
+    String code = r'''
+class A<T> {}
+class C<T extends A> {}
+''';
+    await resolveTestUnit(code, noErrors: false);
+    assertErrors(testSource, [StrongModeCode.NOT_INSTANTIATED_BOUND]);
+  }
+
+  test_notInstantiatedBound_indirect() async {
+    String code = r'''
+class A<T> {}
+class B<T> {}
+class C<T extends A<B>> {}
+''';
+    await resolveTestUnit(code, noErrors: false);
+    assertErrors(testSource, [StrongModeCode.NOT_INSTANTIATED_BOUND]);
+  }
+
+  test_notInstantiatedBound_indirect2() async {
+    String code = r'''
+class A<K, V> {}
+class B<T> {}
+class C<T extends A<B, B>> {}
+''';
+    await resolveTestUnit(code, noErrors: false);
+    assertErrors(testSource, [
+      StrongModeCode.NOT_INSTANTIATED_BOUND,
+      StrongModeCode.NOT_INSTANTIATED_BOUND
+    ]);
+  }
+
   test_objectMethodOnFunctions_Anonymous() async {
     String code = r'''
 void main() {