From fa03289ddfc15d4582a866e66c9003fc6fc11a9f Mon Sep 17 00:00:00 2001
From: lcnr <rust@lcnr.de>
Date: Thu, 14 Dec 2023 14:59:32 +0100
Subject: [PATCH] review

---
 .../src/traits/error_reporting/type_err_ctxt_ext.rs             | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs
index 3b50645a275cc..b3bb0a9fcb770 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs
@@ -814,7 +814,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
 
                     ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(ty)) => {
                         let ty = self.resolve_vars_if_possible(ty);
-                        if self.tcx.sess.opts.unstable_opts.next_solver.is_some() {
+                        if self.next_trait_solver() {
                             // FIXME: we'll need a better message which takes into account
                             // which bounds actually failed to hold.
                             self.tcx.sess.struct_span_err(