[libc-commits] [libc] [libc] add basic lifetime annotations for support data structures (PR #145933)

[via libc-commits]

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@@ -91,4 +91,28 @@ LIBC_THREAD_MODE_EXTERNAL.
 #define LIBC_NO_SANITIZE_OOB_ACCESS
 #endif
 
+#if __has_attribute(lifetimebound)
+#define LIBC_LIFETIMEBOUND [[clang::lifetimebound]]
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lntue wrote:

nit: I would change this to `LIBC_LIFETIME_BOUND` instead

https://github.com/llvm/llvm-project/pull/145933