[clang] [PAC] Define __builtin_ptrauth_type_discriminator (PR #100204)

[Akira Hatanaka via cfe-commits]

================
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -emit-llvm-only -x c++ -std=c++11 -triple %itanium_abi_triple -verify %s -DN=1
 // RUN: %clang_cc1 -emit-llvm-only -x c++ -std=c++11 -triple %itanium_abi_triple -verify %s -DN=2
+// RUN: %clang_cc1 -emit-llvm-only -x c++ -std=c++11 -triple %itanium_abi_triple -verify %s -DN=3
----------------
ahatanak wrote:

Adding `-triple aarch64-linux-gnu -fptrauth-intrinsics` fixed the test.

https://github.com/llvm/llvm-project/pull/100204