some more is_zst that should be is_1zst

2023-08-29 14:09:41 +02:00
parent 0b84f18b24
commit d1c4fe94c3
4 changed files with 8 additions and 8 deletions
--- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs
+++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs
@@ -195,8 +195,8 @@ fn visit_implementation_of_dispatch_from_dyn(tcx: TyCtxt<'_>, impl_did: LocalDef
                    let ty_b = field.ty(tcx, args_b);

                    if let Ok(layout) = tcx.layout_of(param_env.and(ty_a)) {
-                        if layout.is_zst() && layout.align.abi.bytes() == 1 {
-                            // ignore ZST fields with alignment of 1 byte
+                        if layout.is_1zst() {
+                            // ignore 1-ZST fields
                            return false;
                        }
                    }