Avoid HashSet copy in DocumentTimeline::applyPendingAcceleratedAnimat…

…ions() https://bugs.webkit.org/show_bug.cgi?id=254308 Reviewed by Ryosuke Niwa. * Source/WebCore/animation/DocumentTimeline.cpp: (WebCore::DocumentTimeline::applyPendingAcceleratedAnimations): Canonical link: https://commits.webkit.org/262007@main
WebKit · Mar 23, 2023 · 821a561 · 821a561
1 parent e049610
commit 821a561
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/Source/WebCore/animation/DocumentTimeline.cpp b/Source/WebCore/animation/DocumentTimeline.cpp
@@ -412,8 +412,7 @@ void DocumentTimeline::applyPendingAcceleratedAnimations()
     }
 #endif
 
-    auto acceleratedAnimationsPendingRunningStateChange = m_acceleratedAnimationsPendingRunningStateChange;
-    m_acceleratedAnimationsPendingRunningStateChange.clear();
+    auto acceleratedAnimationsPendingRunningStateChange = std::exchange(m_acceleratedAnimationsPendingRunningStateChange, { });
 
     bool hasForcedLayout = false;
     for (auto& animation : acceleratedAnimationsPendingRunningStateChange) {