1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/in-bindings/dont-make-def-id.rs b/tests/ui/impl-trait/in-bindings/dont-make-def-id.rs
new file mode 100644
index 00000000000..d159e9ab0f9
--- /dev/null
+++ b/tests/ui/impl-trait/in-bindings/dont-make-def-id.rs
@@ -0,0 +1,10 @@
+//@ check-pass
+
+// Make sure we don't create an opaque def id for ITIB.
+
+#![crate_type = "lib"]
+#![feature(impl_trait_in_bindings)]
+
+fn foo() {
+    let _: impl Sized = 0;
+}