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-rw-r--r--src/libcore/macros.rs7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs
index d2ee9b11b36..9dfa09cf8a5 100644
--- a/src/libcore/macros.rs
+++ b/src/libcore/macros.rs
@@ -445,9 +445,10 @@ macro_rules! writeln {
 /// * Iterators that dynamically terminate.
 ///
 /// If the determination that the code is unreachable proves incorrect, the
-/// program immediately terminates with a [`panic!`]. The function [`unreachable_unchecked`],
-/// which belongs to the [`std::hint`] module, informs the compiler to
-/// optimize the code out of the release version entirely.
+/// program immediately terminates with a [`panic!`].
+///
+/// The unsafe counterpart of this macro is the [`unreachable_unchecked`] function, which
+/// will cause undefined behavior if the code is reached.
 ///
 /// [`panic!`]:  ../std/macro.panic.html
 /// [`unreachable_unchecked`]: ../std/hint/fn.unreachable_unchecked.html