1 files changed, 29 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-2935.rs b/src/test/ui/issues/issue-2935.rs
new file mode 100644
index 000000000..11641ca73
--- /dev/null
+++ b/src/test/ui/issues/issue-2935.rs
@@ -0,0 +1,29 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+#![feature(box_syntax)]
+
+//type t = { a: isize };
+// type t = { a: bool };
+type t = bool;
+
+trait it {
+    fn f(&self);
+}
+
+impl it for t {
+    fn f(&self) { }
+}
+
+pub fn main() {
+  //    let x = ({a: 4} as it);
+  //   let y = box ({a: 4});
+  //    let z = box ({a: 4} as it);
+  //    let z = box ({a: true} as it);
+    let z: Box<_> = box (box true as Box<dyn it>);
+    //  x.f();
+    // y.f();
+    // (*z).f();
+    println!("ok so far...");
+    z.f(); //segfault
+}