1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs b/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs
new file mode 100644
index 000000000..9a50c0f98
--- /dev/null
+++ b/tests/ui/type-alias-impl-trait/cross_inference_pattern_bug.rs
@@ -0,0 +1,9 @@
+// compile-flags: --edition=2021
+// check-pass
+#![feature(type_alias_impl_trait)]
+
+fn main() {
+    type T = impl Copy;
+    let foo: T = (1u32, 2u32);
+    let (a, b): (u32, u32) = foo;
+}