1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/consts/issue-67640.rs b/src/test/ui/consts/issue-67640.rs
new file mode 100644
index 000000000..4c71a2e02
--- /dev/null
+++ b/src/test/ui/consts/issue-67640.rs
@@ -0,0 +1,24 @@
+// compile-flags: -Z mir-opt-level=4
+// run-pass
+
+struct X {
+    x: isize
+}
+
+fn f1(a: &mut X, b: &mut isize, c: isize) -> isize {
+    let r = a.x + *b + c;
+    a.x = 0;
+    *b = 10;
+    return r;
+}
+
+fn f2<F>(a: isize, f: F) -> isize where F: FnOnce(isize) { f(1); return a; }
+
+pub fn main() {
+    let mut a = X {x: 1};
+    let mut b = 2;
+    let c = 3;
+    assert_eq!(f1(&mut a, &mut b, c), 6);
+    assert_eq!(a.x, 0);
+    assert_eq!(f2(a.x, |_| a.x = 50), 0);
+}