Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4d9c892d5723e95cab0c627d5f46f8d8da236294
https://github.com/WebKit/WebKit/commit/4d9c892d5723e95cab0c627d5f46f8d8da236294
Author: Yusuke Suzuki <[email protected]>
Date: 2024-02-26 (Mon, 26 Feb 2024)
Changed paths:
M Source/JavaScriptCore/bytecode/CodeBlock.cpp
M Source/JavaScriptCore/runtime/ScriptExecutable.cpp
M Source/JavaScriptCore/runtime/ScriptExecutable.h
Log Message:
-----------
[JSC] Do not upgrade CallLinkInfo when the target is also already dead
https://bugs.webkit.org/show_bug.cgi?id=270119
rdar://123651394
Reviewed by Justin Michaud.
Probably does not matter much but let's make it defensive. When running
unlinkOrUpgrade,
if it is invoked through jettisoning due to GC end-phase check, we should check
whether the new target CodeBlock is also dead,
and if it is dead, not passing it.
* Source/JavaScriptCore/bytecode/CodeBlock.cpp:
(JSC::CodeBlock::jettison):
* Source/JavaScriptCore/runtime/ScriptExecutable.cpp:
(JSC::ScriptExecutable::installCode):
(JSC::ScriptExecutable::prepareForExecutionImpl):
* Source/JavaScriptCore/runtime/ScriptExecutable.h:
Canonical link: https://commits.webkit.org/275356@main
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