The test at imported/w3c/web-platform-tests/css/css-transitions/parsing/transition-timing-function-computed.html started crashing once we turned on libc++ assertions in 259122@main.
Pull request: https://github.com/WebKit/WebKit/pull/9308
Committed 259559@main (8f690bd4d728): <https://commits.webkit.org/259559@main> Reviewed commits have been landed. Closing PR #9308 and removing active labels.
<rdar://problem/104822225>