1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/ptr_ops/issue-80309.rs b/tests/ui/ptr_ops/issue-80309.rs
new file mode 100644
index 000000000..c13ce3c9c
--- /dev/null
+++ b/tests/ui/ptr_ops/issue-80309.rs
@@ -0,0 +1,13 @@
+// run-pass
+// compile-flags: -O
+
+// Regression test for issue #80309
+
+pub unsafe fn foo(x: *const i8) -> i8 {
+    *x.wrapping_sub(x as _).wrapping_add(x as _)
+}
+
+fn main() {
+    let x = 42;
+    println!("{}", unsafe { foo(&x) });
+}