diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src/remove_zsts.rs')
| -rw-r--r-- | compiler/rustc_mir_transform/src/remove_zsts.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/remove_zsts.rs b/compiler/rustc_mir_transform/src/remove_zsts.rs index 569e783fe..6cabef92d 100644 --- a/compiler/rustc_mir_transform/src/remove_zsts.rs +++ b/compiler/rustc_mir_transform/src/remove_zsts.rs @@ -52,7 +52,11 @@ impl<'tcx> MirPass<'tcx> for RemoveZsts { fn maybe_zst(ty: Ty<'_>) -> bool { match ty.kind() { // maybe ZST (could be more precise) - ty::Adt(..) | ty::Array(..) | ty::Closure(..) | ty::Tuple(..) | ty::Opaque(..) => true, + ty::Adt(..) + | ty::Array(..) + | ty::Closure(..) + | ty::Tuple(..) + | ty::Alias(ty::Opaque, ..) => true, // definitely ZST ty::FnDef(..) | ty::Never => true, // unreachable or can't be ZST |