1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/mir/mir-inlining/ice-issue-45885.rs b/src/test/ui/mir/mir-inlining/ice-issue-45885.rs
new file mode 100644
index 000000000..09b1279ef
--- /dev/null
+++ b/src/test/ui/mir/mir-inlining/ice-issue-45885.rs
@@ -0,0 +1,29 @@
+// run-pass
+// compile-flags:-Zmir-opt-level=3
+
+pub enum Enum {
+    A,
+    B,
+}
+
+trait SliceIndex {
+    type Output;
+    fn get(&self) -> &Self::Output;
+}
+
+impl SliceIndex for usize {
+    type Output = Enum;
+    #[inline(never)]
+    fn get(&self) -> &Enum {
+        &Enum::A
+    }
+}
+
+#[inline(always)]
+fn index<T: SliceIndex>(t: &T) -> &T::Output {
+    t.get()
+}
+
+fn main() {
+    match *index(&0) { Enum::A => true, _ => false };
+}