1 files changed, 16 insertions, 0 deletions
diff --git a/tests/crashes/123456.rs b/tests/crashes/123456.rs
new file mode 100644
index 00000000000..ed7cbada3f8
--- /dev/null
+++ b/tests/crashes/123456.rs
@@ -0,0 +1,16 @@
+//@ known-bug: #123456
+
+trait Project {
+    const SELF: Self;
+}
+
+fn take1(
+    _: Project<
+        SELF = {
+                   j2.join().unwrap();
+               },
+    >,
+) {
+}
+
+pub fn main() {}