[clang] [compiler-rt] [llvm] [FMV][AArch64] Unify ls64, ls64_v and ls64_accdata. (PR #108024)

[via cfe-commits]

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@@ -73,8 +73,6 @@ enum CPUFeatures {
   FEAT_SSBS,
   FEAT_SSBS2,
   FEAT_BTI,
-  FEAT_LS64,
-  FEAT_LS64_V,
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Wilco1 wrote:

It became a defacto ABI when the first implementation became available. We could change the names of the global/init function to explicitly break the ABI with old objects at linktime to avoid silent ABI breaks that lead to incorrect execution at runtime.

https://github.com/llvm/llvm-project/pull/108024