RESOLVED FIXED310786
WTF::holdsAlternative<Variant<Ts...>>: Index-based overload uses nonexistent API 
https://bugs.webkit.org/show_bug.cgi?id=310786
Summary WTF::holdsAlternative<Variant<Ts...>>: Index-based overload uses nonexistent API
Chris Dumez
Reported 2026-03-26 00:44:07 PDT
std::holds_alternative<T> only takes a type parameter. There is no std::holds_alternative<size_t I> overload in the standard. This would fail to compile if instantiated.
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Add attachment proposed patch, testcase, etc.
Chris Dumez
Comment 1 2026-03-26 00:45:20 PDT
Pull request: https://github.com/WebKit/WebKit/pull/61392
EWS
Comment 2 2026-03-26 15:27:24 PDT
Committed 310029@main (ab0c60065686): <https://commits.webkit.org/310029@main> Reviewed commits have been landed. Closing PR #61392 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2026-03-26 15:28:13 PDT
<rdar://problem/173446202>
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