Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: bd4bbbbc4c513f941a99773e53798cedb694b9c4
https://github.com/WebKit/WebKit/commit/bd4bbbbc4c513f941a99773e53798cedb694b9c4
Author: Michael Saboff <[email protected]>
Date: 2024-04-18 (Thu, 18 Apr 2024)
Changed paths:
M Source/JavaScriptCore/jit/JITThunks.cpp
M Source/JavaScriptCore/jit/JITThunks.h
M Source/JavaScriptCore/yarr/YarrJIT.cpp
M Source/JavaScriptCore/yarr/YarrJIT.h
Log Message:
-----------
[YARR JIT] Intermittent crash when calling through
areCanonicallyEquivalentThunk
https://bugs.webkit.org/show_bug.cgi?id=272862
rdar://126253524
Reviewed by Yusuke Suzuki.
THe speculation for the crash we are seeing is that there is a race condition
where the thunk's code is not
properly synced across all thread.
Moved the generation of the recently added areCanonicallyEquivalent thunk to be
a common thunk that is created
at VM initialization time.
* Source/JavaScriptCore/jit/JITThunks.cpp:
(JSC::JITThunks::initialize):
* Source/JavaScriptCore/jit/JITThunks.h:
* Source/JavaScriptCore/yarr/YarrJIT.cpp:
(JSC::Yarr::areCanonicallyEquivalentThunkGenerator):
* Source/JavaScriptCore/yarr/YarrJIT.h:
Canonical link: https://commits.webkit.org/277722@main
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