fix #27040, promote the upper bound of a type parameter

pkg/analyzer/lib/src/dart/element/type.dart

Index: pkg/analyzer/lib/src/dart/element/type.dart
diff --git a/pkg/analyzer/lib/src/dart/element/type.dart b/pkg/analyzer/lib/src/dart/element/type.dart
index 4bc84b629fb4168d1bd8d04aba814c4ac388cc9c..bf898e0e6a951804cfef9e06697f9c7beceb6c1c 100644
--- a/pkg/analyzer/lib/src/dart/element/type.dart
+++ b/pkg/analyzer/lib/src/dart/element/type.dart
@@ -2555,6 +2555,12 @@ class TypeParameterTypeImpl extends TypeImpl implements TypeParameterType {
       : super(element, element.name);
 
   @override
+  ElementLocation get definition => element.location;
+
+  @override
+  DartType get bound => element.bound ?? DynamicTypeImpl.instance;
+
+  @override
   TypeParameterElement get element => super.element as TypeParameterElement;
 
   @override