[clang] nolock/noalloc attributes (PR #84983)

[Doug Wyatt via cfe-commits]

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@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -fblocks -verify %s
+// R UN: %clang_cc1 -fsyntax-only -fblocks -verify -x c -std=c23 %s
+
+#if !__has_attribute(clang_nolock)
+#error "the 'nolock' attribute is not available"
+#endif
+
+void unannotated(void);
+void nolock(void) [[clang::nolock]];
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dougsonos wrote:

Wow, I never thought I'd see this day!

https://github.com/llvm/llvm-project/pull/84983