[clang] [compiler-rt] [llvm] [AArch64] Split FeatureMTE to FEAT_MTE and FEAT_MTE2. (PR #109299)

[Tomas Matheson via cfe-commits]

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@@ -1059,7 +1059,7 @@ bool AArch64TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
       HasFullFP16 = true;
       HasFP16FML = true;
     }
-    if (Feature == "+mte")
+    if (Feature == "+mte2")
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tmatheson-arm wrote:

Won't this break existing IR with `target-features="mte"`?

https://github.com/llvm/llvm-project/pull/109299