1 files changed, 7 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-24013.rs b/src/test/ui/issues/issue-24013.rs
new file mode 100644
index 000000000..c6d301671
--- /dev/null
+++ b/src/test/ui/issues/issue-24013.rs
@@ -0,0 +1,7 @@
+fn main() {
+    use std::mem::{transmute, swap};
+    let a = 1;
+    let b = 2;
+    unsafe {swap::<&mut _>(transmute(&a), transmute(&b))};
+    //~^ ERROR type annotations needed
+}