1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/auxiliary/xcrate.rs b/src/test/ui/impl-trait/auxiliary/xcrate.rs
new file mode 100644
index 000000000..ac016258b
--- /dev/null
+++ b/src/test/ui/impl-trait/auxiliary/xcrate.rs
@@ -0,0 +1,23 @@
+// NOTE commented out due to issue #45994
+//pub fn fourway_add(a: i32) -> impl Fn(i32) -> impl Fn(i32) -> impl Fn(i32) -> i32 {
+//    move |b| move |c| move |d| a + b + c + d
+//}
+
+fn some_internal_fn() -> u32 {
+    1
+}
+
+fn other_internal_fn() -> u32 {
+    1
+}
+
+// See #40839
+pub fn return_closure_accessing_internal_fn() -> impl Fn() -> u32 {
+    || {
+        some_internal_fn() + 1
+    }
+}
+
+pub fn return_internal_fn() -> impl Fn() -> u32 {
+    other_internal_fn
+}