[clang] [AArch64][PAC][clang][ELF] Support PAuth ABI core info (PR #85235)

[Fangrui Song via cfe-commits]

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@@ -0,0 +1,59 @@
+// RUN: %clang_cc1 -triple aarch64-linux -S -emit-llvm -o - \
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MaskRay wrote:

`-S` should be removed. I've cleaned up the whole clang/test suite.

After https://github.com/llvm/llvm-project/pull/91140 this will lead to an error.

https://github.com/llvm/llvm-project/pull/85235