RESOLVED FIXED311505
[JSC] `isWithinPowerOfTwo` is unsound for BitAnd with negative mask in DFG BackwardsPropagation 
https://bugs.webkit.org/show_bug.cgi?id=311505
Summary [JSC] `isWithinPowerOfTwo` is unsound for BitAnd with negative mask in DFG Ba...
Sosuke Suzuki
Reported 2026-04-04 21:17:16 PDT
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Sosuke Suzuki
Comment 1 2026-04-04 21:21:04 PDT
Pull request: https://github.com/WebKit/WebKit/pull/62061
EWS
Comment 2 2026-04-06 17:53:23 PDT
Committed 310678@main (83895848013f): <https://commits.webkit.org/310678@main> Reviewed commits have been landed. Closing PR #62061 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2026-04-06 17:54:11 PDT
<rdar://problem/174200551>
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