fix: use LocalDefId instead of HirId in trait res

use LocalDefId instead of HirId in trait resolution to simplify
the obligation clause resolution

Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>

compiler/rustc_hir_analysis/src/check/intrinsic.rs

@@ -56,7 +56,8 @@ fn equate_intrinsic_type<'tcx>(
         && gen_count_ok(own_counts.consts, 0, "const")
     {
         let fty = tcx.mk_fn_ptr(sig);
-        let cause = ObligationCause::new(it.span, it.hir_id(), ObligationCauseCode::IntrinsicType);
+        let it_def_id = it.owner_id.def_id;
+        let cause = ObligationCause::new(it.span, it_def_id, ObligationCauseCode::IntrinsicType);
         require_same_types(tcx, &cause, tcx.mk_fn_ptr(tcx.fn_sig(it.owner_id)), fty);
     }
 }