[compiler-rt] [FMV][AArch64] Add initial AT_HWCAP3 / AT_HWCAP4 support (PR #161595)

[via llvm-commits]

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@@ -12,10 +12,14 @@ void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
 
   unsigned long hwcap = getauxval(AT_HWCAP);
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enh-google wrote:

(nit: at this point, you don't need the locals and could just assign straight into the struct. not a regression though.)

https://github.com/llvm/llvm-project/pull/161595