Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 55653be38dd52f0e4213528ba4fd9301c40689a0
https://github.com/WebKit/WebKit/commit/55653be38dd52f0e4213528ba4fd9301c40689a0
Author: WebKit Revert Bot <[email protected]>
Date: 2026-07-22 (Wed, 22 Jul 2026)
Changed paths:
R JSTests/microbenchmarks/is-prototype-of-deep-hit.js
R JSTests/microbenchmarks/is-prototype-of-deep-miss.js
R JSTests/microbenchmarks/is-prototype-of-shallow.js
R JSTests/microbenchmarks/is-prototype-of-sometimes-hit.js
R JSTests/stress/object-is-prototype-of-intrinsic.js
M Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
M Source/JavaScriptCore/runtime/Intrinsic.h
M Source/JavaScriptCore/runtime/ObjectPrototype.cpp
Log Message:
-----------
Unreviewed, reverting 315966@main (0071dfd4f18a)
https://bugs.webkit.org/show_bug.cgi?id=320022
trips RELEASE_ASSERT
Reverted change:
[JSC] Use `InstanceOf` DFG node for `Object#isPrototypeOf`
https://bugs.webkit.org/show_bug.cgi?id=317821
315966@main (0071dfd4f18a)
Canonical link: https://commits.webkit.org/317734@main
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