Bug 307056

Summary: testmasm crashes on arm64/x86_64 when compiled with GCC
Product: WebKit Reporter: Angelos Oikonomopoulos <angelos>
Component: JavaScriptCoreAssignee: Angelos Oikonomopoulos <angelos>
Status: RESOLVED FIXED    
Severity: Normal CC: alex, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

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
Angelos Oikonomopoulos
Comment 1 2026-02-05 04:40:19 PST
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
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