[clang] [llvm] [LLVM][Clang][AArch64] Implement AArch64 build attributes (PR #118771)

[Oliver Stannard via llvm-commits]

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@@ -0,0 +1,62 @@
+// RUN: not llvm-mc -triple=aarch64 %s -o %t > %t.out 2>&1
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ostannard wrote:

The `not` only applies to the first command, so the `FileCheck` will run and report errors as normal. There are plenty of existing tests which do this, for example `test/MC/ARM/thumb1-relax-adr.s`.

https://github.com/llvm/llvm-project/pull/118771