RESOLVED FIXED307056
testmasm crashes on arm64/x86_64 when compiled with GCC 
https://bugs.webkit.org/show_bug.cgi?id=307056
Summary testmasm crashes on arm64/x86_64 when compiled with GCC
Angelos Oikonomopoulos
Reported 2026-02-05 04:34:09 PST
It seems that the switch in testMoveConditionallyFloatingPointSameArg gets miscompiled and we hit RELEASE_ASSERT_NOT_REACHED(); for MacroAssembler::DoubleEqualAndOrdered (at least that's what I've observed on ARM64).
Attachments
Add attachment proposed patch, testcase, etc.
Angelos Oikonomopoulos
Comment 1 2026-02-05 04:40:19 PST
Pull request: https://github.com/WebKit/WebKit/pull/57955
EWS
Comment 2 2026-02-09 04:25:32 PST
Committed 307067@main (06d9f3e926cd): <https://commits.webkit.org/307067@main> Reviewed commits have been landed. Closing PR #57955 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2026-02-09 04:26:13 PST
<rdar://problem/169959291>
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