Fix PARENT_ID placement

Author: aerooneqq

compiler/rustc_ast_lowering/src/delegation/attributes.rs

@@ -42,9 +42,8 @@ impl<'hir> LoweringContext<'_, 'hir> {
     pub(super) fn add_attributes_if_needed(&mut self, resolution: &DelegationResolution<'hir>) {
         let &DelegationResolution { span, sig_id, .. } = resolution;
 
-        let new_attrs = self.create_new_attributes(span, sig_id, self.attrs.get(&PARENT_ID));
-
         const PARENT_ID: hir::ItemLocalId = hir::ItemLocalId::ZERO;
+        let new_attrs = self.create_new_attributes(span, sig_id, self.attrs.get(&PARENT_ID));
 
         if !new_attrs.is_empty() {
             let new_attrs = match self.attrs.get(&PARENT_ID) {