It's not about types or consts, but the lack of regions

2022-10-04 09:43:34 +00:00
parent ead49f0beb
commit c7b6ebdf7c
30 changed files with 71 additions and 77 deletions
--- a/compiler/rustc_trait_selection/src/traits/misc.rs
+++ b/compiler/rustc_trait_selection/src/traits/misc.rs
@@ -57,7 +57,7 @@ pub fn can_type_implement_copy<'tcx>(
                // to begin with, and point to the bad field's span instead.
                let cause = if field
                    .ty(tcx, traits::InternalSubsts::identity_for_item(tcx, adt.did()))
-                    .has_param_types_or_consts()
+                    .has_non_region_param()
                {
                    parent_cause.clone()
                } else {