[clang] [llvm] Make +sve2-aes an alias of +sve2+sve-aes (PR #116026)

[Alexandros Lamprineas via cfe-commits]

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@@ -6,10 +6,15 @@ tbx z0.b, z1.b, z2.b
 // CHECK: error: instruction requires: sve2 or sme
 // CHECK-NEXT: tbx z0.b, z1.b, z2.b
 
-.arch armv9-a+sve2-aes
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labrinea wrote:

I have a feeling that the entire file is wrong. The pairs of lines `.arch <base>+<ext>` followed by `.arch <base>+<noext>`  should be replaced by a single line `.arch <base>+<ext>+<noext>`. Perhaps on a separate patch.

https://github.com/llvm/llvm-project/pull/116026