[clang] [Clang][AArch64] Change SME attributes for shared/new/preserved state. (PR #76971)

[via cfe-commits]

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@@ -1,60 +1,60 @@
 // RUN: %clang_cc1 -fsyntax-only -triple aarch64-none-linux-gnu -target-feature +sme -verify=expected,notc2x -Wno-strict-prototypes %s
 // RUN: %clang_cc1 -fsyntax-only -triple aarch64-none-linux-gnu -target-feature +sme -verify=expected,c2x %s
 
-enum __arm_streaming E { // expected-error {{'__arm_streaming' only applies to non-K&R-style functions}}
-  One __arm_streaming, // expected-error {{'__arm_streaming' only applies to non-K&R-style functions}}
+enum __arm_inout("za") E { // expected-error {{'__arm_inout' only applies to non-K&R-style functions}}
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rsandifo-arm wrote:

I think it'd be better to avoid changing the existing code here, since it should still work in its original form.  How about keeping them and also adding enough new code to cover each routine that needs to parse the arguments, including tests for unbalanced parens?

https://github.com/llvm/llvm-project/pull/76971