[clang] [FMV][AArch64] Changes in fmv-features metadata. (PR #122192)

[Jon Roelofs via cfe-commits]

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@@ -2763,9 +2764,10 @@ bool CodeGenModule::GetCPUAndFeaturesAttributes(GlobalDecl GD,
       Attrs.addAttribute("fmv-features");
       AddedAttr = true;
     } else if (!Feats.empty()) {
-      llvm::sort(Feats);
+      // Sort features and remove duplicates.
+      std::set<StringRef> OrderedFeats(Feats.begin(), Feats.end());
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jroelofs wrote:

ah okay

https://github.com/llvm/llvm-project/pull/122192