[llvm] [AArch64][Build Attributes] Improve Parsing and Formatting (PR #126530)

[Oliver Stannard via llvm-commits]

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@@ -214,22 +215,20 @@ void AArch64TargetStreamer::emitAttribute(StringRef VendorName, unsigned Tag,
         return;
       }
       for (MCELFStreamer::AttributeItem &Item : SubSection.Content) {
+        // Tag already exists
         if (Item.Tag == Tag) {
-          if (!Override) {
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ostannard wrote:

The `Override` parameter is now unused.

https://github.com/llvm/llvm-project/pull/126530