[clang] [Clang] [Lexer] Detect SSE4.2 availability at runtime in fastParseASCIIIdentifier (PR #171914)

Thibault Monnier via cfe-commits cfe-commits at lists.llvm.org
Mon Dec 15 00:58:56 PST 2025


Thibault-Monnier wrote:

Shouldn't we add some tests for older platforms?

https://github.com/llvm/llvm-project/pull/171914


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