DanielKristofKiss wrote:

> Hello,
> 
> This patch makes the second line fail to compile
> 
> ```
> #elif ABSL_HAVE_BUILTIN(__builtin_cpu_supports)
>   if (__builtin_cpu_supports("avx2")) {
> ```
> 
> `error: invalid cpu feature string for builtin` when built on arm

expected to fail as __builtin_cpu_supports now supported on Arm too, something 
like this would be better: 
`#elif ABSL_HAVE_BUILTIN(__builtin_cpu_supports) && (defined(__x86_64__) || 
defined(__i386__)`



https://github.com/llvm/llvm-project/pull/82378
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