[libcxx-commits] [compiler-rt] [libcxx] [libcxxabi] [libunwind] [runtimes][PAC] Harden unwinding when possible (PR #143230)

[Oliver Hunt via libcxx-commits]

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@@ -30,6 +30,45 @@ EXCEPTION_DISPOSITION _GCC_specific_handler(PEXCEPTION_RECORD, void *, PCONTEXT,
                                             _Unwind_Personality_Fn);
 #endif
 
+#if __has_feature(ptrauth_qualifier)
+#include <ptrauth.h>
+#if __has_feature(ptrauth_restricted_intptr_qualifier)
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ojhunt wrote:

> 1. (To be fixed in scope of this PR) Comment in this PR about `ptrauth_restricted_intptr_qualifier`: TODO

No, that renders the library unbuildable in shipping apple clang.

https://github.com/llvm/llvm-project/pull/143230