[clang] [lldb] [llvm] [AArch64] Reduce +sve2-aes to an alias of +sve-aes+sve2 (PR #114293)

[Alexandros Lamprineas via cfe-commits]

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@@ -6,10 +6,10 @@ tbx z0.b, z1.b, z2.b
 // CHECK: error: instruction requires: sve2 or sme
 // CHECK-NEXT: tbx z0.b, z1.b, z2.b
 
-.arch_extension sve2-aes
-.arch_extension nosve2-aes
+.arch_extension sve-aes
+.arch_extension nosve-aes
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labrinea wrote:

You may find in useful to look at https://github.com/llvm/llvm-project/pull/110816/files. In order to make nosve2-aes backwards compatible on the command line you need to adjust AArch64::ExtensionSet::disable in TargetParser. Then you can add tests in clang/test/Driver/ for it.

https://github.com/llvm/llvm-project/pull/114293