1 files changed, 16 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-18845.rs b/src/test/ui/issues/issue-18845.rs
new file mode 100644
index 000000000..83fab4b5e
--- /dev/null
+++ b/src/test/ui/issues/issue-18845.rs
@@ -0,0 +1,16 @@
+// run-pass
+// This used to generate invalid IR in that even if we took the
+// `false` branch we'd still try to free the Box from the other
+// arm. This was due to treating `*Box::new(9)` as an rvalue datum
+// instead of as a place.
+
+fn test(foo: bool) -> u8 {
+    match foo {
+        true => *Box::new(9),
+        false => 0
+    }
+}
+
+fn main() {
+    assert_eq!(9, test(true));
+}