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

[Oliver Stannard via llvm-commits]

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@@ -783,6 +786,67 @@ void MCELFStreamer::createAttributesSection(
   AttrsVec.clear();
 }
 
+void MCELFStreamer::createAArch64AttributesSection(
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ostannard wrote:

If this is AArch64 specific, it should be moved to one of the AArch64 classes, probably `AArch64TargetELFStreamer`

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