Rollup merge of #118262 - spastorino:relate-iats-using-eq, r=compiler-errors

Relate Inherent Associated Types using eq

We should call `eq` instead of `sup` as we're relating `Ty` directly and not `Binder<TraitRef>`.

This is part of #118118 but unrelated to that PR.

r? `@compiler-errors` `@lcnr`
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León Orell Valerian Liehr 2023-11-25 10:21:08 +01:00 committed by GitHub
commit 23461fd694
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@ -1674,10 +1674,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let impl_ty = ocx.normalize(&cause, param_env, impl_ty);
// Check that the self types can be related.
// FIXME(inherent_associated_types): Should we use `eq` here? Method probing uses
// `sup` for this situtation, too. What for? To constrain inference variables?
if ocx.sup(&ObligationCause::dummy(), param_env, impl_ty, self_ty).is_err()
{
if ocx.eq(&ObligationCause::dummy(), param_env, impl_ty, self_ty).is_err() {
return false;
}