From ad81122fcfe27d6d399080d44387743f3c25bd95 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Wed, 24 May 2023 13:24:14 +0000
Subject: [PATCH] style: More gracefully deal with broken calls into selector
 matching

If this happens again, it might be worth not matching rather than
potentially crashing. Though I guess crashing is a very good way getting
it reported soon...

Differential Revision: https://phabricator.services.mozilla.com/D178921
---
 components/selectors/matching.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/components/selectors/matching.rs b/components/selectors/matching.rs
index 908fc55a548..3bc60bf2c26 100644
--- a/components/selectors/matching.rs
+++ b/components/selectors/matching.rs
@@ -319,12 +319,14 @@ where
                     }
                 }
             },
-            _ => {
+            ref other => {
                 debug_assert!(
                     false,
                     "Used MatchingMode::ForStatelessPseudoElement \
-                     in a non-pseudo selector"
+                     in a non-pseudo selector {:?}",
+                    other
                 );
+                return false;
             },
         }