Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0d81375a0f4ef33aeda284e2e941fd6e47613c19
https://github.com/WebKit/WebKit/commit/0d81375a0f4ef33aeda284e2e941fd6e47613c19
Author: Sergey Rubanov <[email protected]>
Date: 2026-09-10 (Thu, 10 Sep 2026)
Changed paths:
M JSTests/wasm/gc/bulk-array-element-types.js
M Source/JavaScriptCore/heap/GCMemoryOperations.h
M Source/JavaScriptCore/wasm/js/JSWebAssemblyArray.cpp
Log Message:
-----------
[JSC] Fill Wasm GC arrays of references with gcSafeMemfill
https://bugs.webkit.org/show_bug.cgi?id=323628
Reviewed by Yusuke Suzuki.
JSWebAssemblyArray::fill of ref elements stored encoded JSValues one
at a time. Concurrent GC needs whole 8-byte writes. Add gcSafeMemfill
next to gcSafeZeroMemory and use it for that path, then one write
barrier, matching array.copy.
* Source/JavaScriptCore/heap/GCMemoryOperations.h:
* Source/JavaScriptCore/wasm/js/JSWebAssemblyArray.cpp:
* JSTests/wasm/gc/bulk-array-element-types.js:
Canonical link: https://commits.webkit.org/320819@main
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