only allow restricting scalar layouts

2018-09-10 14:39:22 +02:00 · 2018-09-10 14:39:22 +02:00 · 88ebb95f46
commit 88ebb95f46
parent 833dc7e682
1 changed files with 2 additions and 1 deletions
--- a/src/librustc/ty/layout.rs
+++ b/src/librustc/ty/layout.rs
@ -779,7 +779,8 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                                scalar.valid_range = *scalar.valid_range.start()..=end;
                            }
                        }
-                        _ => bug!(
+                        _ => assert!(
+                            start == Bound::Unbounded && end == Bound::Unbounded,
                            "nonscalar layout for layout_scalar_valid_range type {:?}: {:#?}",
                            def,
                            st,