[llvm] [BOLT][AArch64] Support for pointer authentication (PR #117578)

[Paschalis Mpeis via llvm-commits]

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@@ -2242,8 +2243,11 @@ Error BinaryFunction::buildCFG(MCPlusBuilder::AllocatorIdTy AllocatorId) {
       //
       // Conditional tail call is a special case since we don't add a taken
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paschalis-mpeis wrote:

Consider adapting this earlier comment to mention this new special case?

https://github.com/llvm/llvm-project/pull/117578