1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/regions/wf-bound-region-in-object-type.rs b/src/test/ui/regions/wf-bound-region-in-object-type.rs
new file mode 100644
index 000000000..7c4dd3ec8
--- /dev/null
+++ b/src/test/ui/regions/wf-bound-region-in-object-type.rs
@@ -0,0 +1,22 @@
+// run-pass
+
+#![allow(dead_code)]
+#![allow(unused_variables)]
+// Test that the `wf` checker properly handles bound regions in object
+// types. Compiling this code used to trigger an ICE.
+
+// pretty-expanded FIXME #23616
+
+pub struct Context<'tcx> {
+    vec: &'tcx Vec<isize>
+}
+
+pub type Cmd<'a> = &'a isize;
+
+pub type DecodeInlinedItem<'a> =
+    Box<dyn for<'tcx> FnMut(Cmd, &Context<'tcx>) -> Result<&'tcx isize, ()> + 'a>;
+
+fn foo(d: DecodeInlinedItem) {
+}
+
+fn main() { }