Print region in case of ICE

rust-lang · Apr 8, 2018 · b9e04e5 · b9e04e5
1 parent 20c499d
commit b9e04e5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/librustc/infer/error_reporting/mod.rs b/src/librustc/infer/error_reporting/mod.rs
@@ -181,7 +181,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
                 self.msg_span_from_early_bound_and_free_regions(region)
             },
             ty::ReStatic => ("the static lifetime".to_owned(), None),
-            _ => bug!(),
+            _ => bug!("{:?}", region),
         }
     }