[clang] [llvm] [PAC][Driver] Implement `-mbranch-protection=pauthabi` option (PR #97237)

[Daniil Kovalev via cfe-commits]

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@@ -1484,6 +1484,39 @@ void AddUnalignedAccessWarning(ArgStringList &CmdArgs) {
 }
 }
 
+static void handlePAuthABIOption(const ArgList &DriverArgs,
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kovdan01 wrote:

I've added the comment, thanks! See fcd090caac9ede6b915db991819298bed4a5d44e

https://github.com/llvm/llvm-project/pull/97237