[clang] [Clang][AArch64] Expose compatible SVE intrinsics with only +sme (PR #95787)

[Amara Emerson via cfe-commits]

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@@ -17,7 +25,7 @@
 // CPP-CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 4
 // CPP-CHECK-NEXT:    ret i64 [[TMP1]]
 //
-uint64_t test_svcntb()
+uint64_t test_svcntb(void) MODE_ATTR
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aemerson wrote:

Why is that restriction there? We often run into confusion when `int foo() __arm_streaming;` and the like is used.

https://github.com/llvm/llvm-project/pull/95787