From 1be361a16ea4151ada6092006dd8dd732492849f Mon Sep 17 00:00:00 2001
From: Kittywhiskers Van Gogh <6098974-kittywhiskers@users.noreply.gitlab.com>
Date: Tue, 23 Mar 2021 09:52:32 +0530
Subject: [PATCH] Merge bitcoin#19387: Add lifetimebound to attributes for
 general-purpose usage

https://github.com/bitcoin/bitcoin/commit/e3e7446305329ce96e9cf5f5161658eb2e1ea888
---
 src/attributes.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/attributes.h b/src/attributes.h
index 45099bd8b88025..9d5c1d44a04c53 100644
--- a/src/attributes.h
+++ b/src/attributes.h
@@ -19,4 +19,14 @@
 #  endif
 #endif
 
+#if defined(__clang__)
+#  if __has_attribute(lifetimebound)
+#    define LIFETIMEBOUND [[clang::lifetimebound]]
+#  else
+#    define LIFETIMEBOUND
+#  endif
+#else
+#  define LIFETIMEBOUND
+#endif
+
 #endif // BITCOIN_ATTRIBUTES_H