From 60f5cbbad29803df3e146fe91a8aa04d87b8f86d Mon Sep 17 00:00:00 2001
From: Alexandre Ardhuin <alexandre.ardhuin@gmail.com>
Date: Fri, 10 Feb 2017 00:17:45 +0100
Subject: [PATCH] no const contructor for GlobalKey (#8038)

---
 packages/flutter/lib/src/widgets/framework.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/flutter/lib/src/widgets/framework.dart b/packages/flutter/lib/src/widgets/framework.dart
index ff8b39ace50..816057ddd25 100644
--- a/packages/flutter/lib/src/widgets/framework.dart
+++ b/packages/flutter/lib/src/widgets/framework.dart
@@ -154,7 +154,7 @@ abstract class GlobalKey<T extends State<StatefulWidget>> extends Key {
   ///
   /// The label is purely for debugging and not used for comparing the identity
   /// of the key.
-  const factory GlobalKey({ String debugLabel }) = LabeledGlobalKey<T>._; // the label is purely for debugging purposes and is otherwise ignored
+  factory GlobalKey({ String debugLabel }) = LabeledGlobalKey<T>._; // the label is purely for debugging purposes and is otherwise ignored
 
   /// Creates a global key without a label.
   ///