[lld] [llvm] [lld][AArch64][Build Attributes] Add support for converting AArch64 Build Attributes to GNU Properties (PR #131990)

[Oliver Stannard via llvm-commits]

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@@ -0,0 +1,134 @@
+### This file replace .note.gnu.property with aarch64 build attributes in order to confirm
+### interoperability.
+
+# REQUIRES: aarch64
+# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t.o
+# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-pac1.s -o %t1.o
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ostannard wrote:

We should have at least one test using build attributes alone, to make sure that the GNU properties are not necessary, and that build attributes can be converted to them even if there are none in the input files.

https://github.com/llvm/llvm-project/pull/131990