Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 095ae6775231c81c2776bad45ea1f61534835692
https://github.com/WebKit/WebKit/commit/095ae6775231c81c2776bad45ea1f61534835692
Author: Cole Carley <[email protected]>
Date: 2026-09-29 (Tue, 29 Sep 2026)
Changed paths:
M Source/WebCore/testing/TestPage.cpp
Log Message:
-----------
TestPage crashes on iOS Debug
https://bugs.webkit.org/show_bug.cgi?id=325221
rdar://188344014
Reviewed by Yijia Huang.
createTestPage() never called WebCore::populateJITOperations(), so WebCore's
JIT operations were not registered with JSC::JITOperationList. When the CSS
selector compiler emitted a call to a WebCore operation,
JITOperationList::assertIsJITOperation() fired in Debug builds.
In a web process, WebCore::initializeMainThreadIfNeeded() registers these
operations, but it returns early on iOS when the web thread is in use, and
TestPageHarness doesn't go through it anyway. Call populateJITOperations()
from the one-time setup in createTestPage() so every test page has WebCore's
JIT operations registered. The call is idempotent.
* Source/WebCore/testing/TestPage.cpp:
(WebCore::createTestPage):
Canonical link: https://commits.webkit.org/322195@main
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