From 244e92ba5c6e8031da1471229151abd44f383eb9 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Fri, 21 Mar 2025 10:33:47 +0100
Subject: [PATCH] catch_unwind intrinsic: document return value

---
 library/core/src/intrinsics/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/core/src/intrinsics/mod.rs b/library/core/src/intrinsics/mod.rs
index cf03c07b6a564..81e59a1f349ec 100644
--- a/library/core/src/intrinsics/mod.rs
+++ b/library/core/src/intrinsics/mod.rs
@@ -3002,6 +3002,7 @@ pub const fn discriminant_value<T>(v: &T) -> <T as DiscriminantKind>::Discrimina
 
 /// Rust's "try catch" construct for unwinding. Invokes the function pointer `try_fn` with the
 /// data pointer `data`, and calls `catch_fn` if unwinding occurs while `try_fn` runs.
+/// Returns `1` if unwinding occurred and `catch_fn` was called; returns `0` otherwise.
 ///
 /// `catch_fn` must not unwind.
 ///