Validate rustc_args_required_const

2020-09-29 17:44:32 +01:00
parent 9e34b72964
commit 609786dbd8
4 changed files with 176 additions and 10 deletions
--- a/compiler/rustc_mir/src/transform/promote_consts.rs
+++ b/compiler/rustc_mir/src/transform/promote_consts.rs
@@ -137,7 +137,7 @@ fn args_required_const(tcx: TyCtxt<'_>, def_id: DefId) -> Option<Vec<usize>> {
            LitKind::Int(a, _) => {
                ret.push(a as usize);
            }
-            _ => return None,
+            _ => bug!("invalid arg index"),
        }
    }
    Some(ret)