[clang] [llvm] [clang][llvm][AArch64] Set hardening fn attrs on synthetic functions (PR #211013)

[Daniil Kovalev via cfe-commits]

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@@ -0,0 +1,37 @@
+; RUN: mkdir -p %t && cd %t
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kovdan01 wrote:

That line is actually needed and I've adopted it from another gcov-related test. W/o that, after test run we end up with some profiling file info in the test directory.

I'll add a comment to make it clear for readers

https://github.com/llvm/llvm-project/pull/211013