[clang] [llvm] [Clang][Lexer] Reland "Detect SSE4.2 availability at runtime in fastParseASCIIIdentifier" (PR #180631)

Corentin Jabot via cfe-commits cfe-commits at lists.llvm.org
Fri Jul 10 07:05:28 PDT 2026


cor3ntin wrote:

@MaskRay Can you explain why this is gonna break musl? Thanks

https://github.com/llvm/llvm-project/pull/180631


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