[clang] [PAC] Add support for __ptrauth type qualifier (PR #100830)

[Oliver Hunt via cfe-commits]

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@@ -2850,6 +2850,26 @@ void CXXNameMangler::mangleQualifiers(Qualifiers Quals, const DependentAddressSp
   if (Quals.hasUnaligned())
     mangleVendorQualifier("__unaligned");
 
+  // __ptrauth.  Note that this is parameterized.
+  if (PointerAuthQualifier PtrAuth = Quals.getPointerAuth()) {
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ojhunt wrote:

@AaronBallman we'd need MS to decide what their mangling would be - if it is to be different from this, or if MS ever want to support ptrauth?

https://github.com/llvm/llvm-project/pull/100830