From 05f664a441542c4f50ea8336cfa403c327ee8ecb Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Sat, 14 Jan 2023 04:47:06 +0000
Subject: [PATCH] new trait solver: rebase impl substs for gats correctly

---
 compiler/rustc_trait_selection/src/solve/project_goals.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs
index 3d649bea19d..25588138c43 100644
--- a/compiler/rustc_trait_selection/src/solve/project_goals.rs
+++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs
@@ -171,7 +171,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> {
             let impl_substs_with_gat = goal.predicate.projection_ty.substs.rebase_onto(
                 tcx,
                 goal_trait_ref.def_id,
-                impl_trait_ref.substs,
+                impl_substs,
             );
             let substs = translate_substs(
                 acx.infcx,