[clang] [AArch64][SME] Warn when using a streaming builtin from a non-streaming function (PR #74064)

[Sander de Smalen via cfe-commits]

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@@ -18,7 +18,7 @@
 // CHECK-CXX-NEXT:    tail call void @llvm.aarch64.sme.zero(i32 0)
 // CHECK-CXX-NEXT:    ret void
 //
-void test_svzero_mask_za() {
+__arm_new_za void test_svzero_mask_za() {
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sdesmalen-arm wrote:

Why are these `__arm_new_za` rather than `__arm_shared_za`?

https://github.com/llvm/llvm-project/pull/74064