Issue 27390. Visit 'ExecutableElement.typeParameters'.

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

Index: pkg/analyzer/lib/src/dart/element/element.dart
diff --git a/pkg/analyzer/lib/src/dart/element/element.dart b/pkg/analyzer/lib/src/dart/element/element.dart
index 62b7d75f18bac780faeb50854d2a7aecd114561e..5d70df8c45ec1ec15a4f8384af627469031b6858 100644
--- a/pkg/analyzer/lib/src/dart/element/element.dart
+++ b/pkg/analyzer/lib/src/dart/element/element.dart
@@ -3987,10 +3987,11 @@ abstract class ExecutableElementImpl extends ElementImpl
   @override
   void visitChildren(ElementVisitor visitor) {
     super.visitChildren(visitor);
+    safelyVisitChildren(typeParameters, visitor);
+    safelyVisitChildren(parameters, visitor);
     safelyVisitChildren(_functions, visitor);
     safelyVisitChildren(_labels, visitor);
     safelyVisitChildren(_localVariables, visitor);
-    safelyVisitChildren(parameters, visitor);
   }
 }