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-rw-r--r--tests/ui/issues/issue-18845.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-18845.rs b/tests/ui/issues/issue-18845.rs
new file mode 100644
index 000000000..83fab4b5e
--- /dev/null
+++ b/tests/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));
+}