Changeset 286188 in webkit

Timestamp:

Nov 27, 2021 1:44:59 AM (8 months ago)

Author:

Antti Koivisto

Message:

[:has() pseudo-class] Invalidation support for adding and removing elements
​https://bugs.webkit.org/show_bug.cgi?id=233489
<rdar://problem/85754298>

Unreviewed followup.

Some unitialized bits caused us to do unnecessary work and regressed Speedometer.

• style/RuleFeature.h:

Initialize the usedMatchElements array.

Location:

trunk/Source/WebCore

Files:

• ChangeLog (modified) (1 diff)
• style/RuleFeature.h (modified) (1 diff)

trunk/Source/WebCore/ChangeLog

@@ +1 @@
+2021-11-27  Antti Koivisto  <antti@apple.com>
+
+        [:has() pseudo-class] Invalidation support for adding and removing elements
+        https://bugs.webkit.org/show_bug.cgi?id=233489
+        <rdar://problem/85754298>
+
+        Unreviewed followup.
+
+        Some unitialized bits caused us to do unnecessary work and regressed Speedometer.
+
+        * style/RuleFeature.h:
+
+        Initialize the usedMatchElements array.
+
 2021-11-26  Sam Weinig  <weinig@apple.com>
 

trunk/Source/WebCore/style/RuleFeature.h

@@ -87 +87 @@
     HashSet<CSSSelector::PseudoClassType, IntHash<CSSSelector::PseudoClassType>, WTF::StrongEnumHashTraits<CSSSelector::PseudoClassType>> pseudoClassesAffectingHost;
 
-    std::array<bool, matchElementCount> usedMatchElements;
+    std::array<bool, matchElementCount> usedMatchElements { };
 
     bool usesFirstLineRules { false };