Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: c7a0ecbe32e975658b4c41b2fe62d7ce1172c504
https://github.com/WebKit/WebKit/commit/c7a0ecbe32e975658b4c41b2fe62d7ce1172c504
Author: Yusuke Suzuki <[email protected]>
Date: 2025-09-29 (Mon, 29 Sep 2025)
Changed paths:
A JSTests/wasm/stress/omg-recompile-from-two-bbq.js
M Source/JavaScriptCore/wasm/WasmCalleeGroup.cpp
M Source/JavaScriptCore/wasm/WasmCalleeGroup.h
M Source/JavaScriptCore/wasm/WasmOMGPlan.cpp
Log Message:
-----------
[JSC] Avoid reinstalling OMG
https://bugs.webkit.org/show_bug.cgi?id=299829
rdar://161555855
Reviewed by Yijia Huang.
After 299561@main, these installation are racily done. So there is a
chance that BBQ gets retried, reinstalled again and two OMG compilation
are on-the-fly. So the second OMG callee can be installed. For now,
let's make it more defensive. When OMG callee is already installed, make
the compilation failed.
Test: JSTests/wasm/stress/omg-recompile-from-two-bbq.js
* JSTests/wasm/stress/omg-recompile-from-two-bbq.js: Added.
(instantiate):
(async let):
* Source/JavaScriptCore/wasm/WasmCalleeGroup.cpp:
(JSC::Wasm::CalleeGroup::releaseBBQCallee):
(JSC::Wasm::CalleeGroup::startInstallingCallee):
(JSC::Wasm::CalleeGroup::installOptimizedCallee):
* Source/JavaScriptCore/wasm/WasmCalleeGroup.h:
* Source/JavaScriptCore/wasm/WasmOMGPlan.cpp:
(JSC::Wasm::OMGPlan::work):
Canonical link: https://commits.webkit.org/300735@main
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