1 files changed, 11 insertions, 0 deletions
diff --git a/tests/mir-opt/exponential_or.rs b/tests/mir-opt/exponential_or.rs
new file mode 100644
index 000000000..0b8be8385
--- /dev/null
+++ b/tests/mir-opt/exponential_or.rs
@@ -0,0 +1,11 @@
+// Test that simple or-patterns don't get expanded to exponentially large CFGs
+
+// EMIT_MIR exponential_or.match_tuple.SimplifyCfg-initial.after.mir
+fn match_tuple(x: (u32, bool, Option<i32>, u32)) -> u32 {
+    match x {
+        (y @ (1 | 4), true | false, Some(1 | 8) | None, z @ (6..=9 | 13..=16)) => y ^ z,
+        _ => 0,
+    }
+}
+
+fn main() {}