Test with trans_apply_param_substs

diff --git a/src/librustc/ty/instance.rs b/src/librustc/ty/instance.rs
index 5259e790e925422000f995626b06bc459c25efaa..0506b0e8eff73836b7eeac80c665150d0f26abf1 100644 (file)
--- a/src/librustc/ty/instance.rs
+++ b/src/librustc/ty/instance.rs
@@ -50,7 +50,8 @@ pub fn ty(&self,
               tcx: TyCtxt<'a, 'tcx, 'tcx>)
               -> Ty<'tcx>
     {
-        self.def.def_ty(tcx).subst(tcx, self.substs)
+        let ty = self.def.def_ty(tcx);
+        tcx.trans_apply_param_substs(self.substs, &ty)
     }
 }