1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/mir/issue66339.rs b/src/test/ui/mir/issue66339.rs
new file mode 100644
index 000000000..2507af38c
--- /dev/null
+++ b/src/test/ui/mir/issue66339.rs
@@ -0,0 +1,13 @@
+// compile-flags: -Z mir-opt-level=3
+// build-pass
+
+// This used to ICE in const-prop
+
+fn foo() {
+    let bar = |_| { };
+    let _ = bar("a");
+}
+
+fn main() {
+    foo();
+}