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-rw-r--r--src/test/ui/or-patterns/if-let-while-let.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/or-patterns/if-let-while-let.rs b/src/test/ui/or-patterns/if-let-while-let.rs
new file mode 100644
index 000000000..92a1bb256
--- /dev/null
+++ b/src/test/ui/or-patterns/if-let-while-let.rs
@@ -0,0 +1,20 @@
+// Check that or patterns are lowered correctly in `if let` and `while let` expressions.
+// run-pass
+
+fn main() {
+ let mut opt = Some(3);
+ let mut w = Vec::new();
+ while let Some(ref mut val @ (3 | 4 | 6)) = opt {
+ w.push(*val);
+ *val += 1;
+ }
+ assert_eq!(w, [3, 4]);
+ if let &(None | Some(6 | 7)) = &opt {
+ unreachable!();
+ }
+ if let Some(x @ (4 | 5 | 6)) = opt {
+ assert_eq!(x, 5);
+ } else {
+ unreachable!();
+ }
+}