[clang] [compiler-rt] [llvm] [FMV][AArch64] Remove feature sha1 from FMV. (PR #108383)

[Andrew Carlotti via cfe-commits]

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@@ -33,7 +33,6 @@ enum CPUFeatures {
   FEAT_FP,
   FEAT_SIMD,
   FEAT_CRC,
-  FEAT_SHA1,
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andrewcarlotti wrote:

> And the clang and gcc implementations of FMV are already ABI incompatible for other reasons.
Are they? I'm not currently aware of any incompatibilities.

https://github.com/llvm/llvm-project/pull/108383