From e39fa7a8365c3f141bd67ee7e31020c05356a7fa Mon Sep 17 00:00:00 2001
From: fzyzcjy <5236035+fzyzcjy@users.noreply.github.com>
Date: Wed, 26 Oct 2022 07:31:14 +0800
Subject: [PATCH] Fix wasted memory caused by debug fields - 16 bytes per
 object (when adding that should-be-removed field crosses double-word
 alignment) (#113927)

---
 .../flutter/lib/src/animation/animation_controller.dart   | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/flutter/lib/src/animation/animation_controller.dart b/packages/flutter/lib/src/animation/animation_controller.dart
index da359a0780e..73cd31c85e1 100644
--- a/packages/flutter/lib/src/animation/animation_controller.dart
+++ b/packages/flutter/lib/src/animation/animation_controller.dart
@@ -842,7 +842,13 @@ class AnimationController extends Animation<double>
   String toStringDetails() {
     final String paused = isAnimating ? '' : '; paused';
     final String ticker = _ticker == null ? '; DISPOSED' : (_ticker!.muted ? '; silenced' : '');
-    final String label = debugLabel == null ? '' : '; for $debugLabel';
+    String label = '';
+    assert(() {
+      if (debugLabel != null) {
+        label = '; for $debugLabel';
+      }
+      return true;
+    }());
     final String more = '${super.toStringDetails()} ${value.toStringAsFixed(3)}';
     return '$more$paused$ticker$label';
   }