From e6e08c666c0481c96ab5a848fadc47fb06d75e16 Mon Sep 17 00:00:00 2001
From: Oliver Scherer <github35764891676564198441@oli-obk.de>
Date: Fri, 30 Nov 2018 09:44:51 +0100
Subject: [PATCH] Fix rebase fallout

---
 src/librustc_mir/transform/qualify_consts.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_mir/transform/qualify_consts.rs b/src/librustc_mir/transform/qualify_consts.rs
index e49134409f0c..0f54978c1dec 100644
--- a/src/librustc_mir/transform/qualify_consts.rs
+++ b/src/librustc_mir/transform/qualify_consts.rs
@@ -1166,7 +1166,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Qualifier<'a, 'tcx, 'tcx> {
         if let (Mode::ConstFn, &Place::Local(index)) = (self.mode, dest) {
             if self.mir.local_kind(index) == LocalKind::Var &&
                self.const_fn_arg_vars.insert(index) &&
-               !self.tcx.sess.features_untracked().const_let {
+               !self.const_let_allowed() {
                 // Direct use of an argument is permitted.
                 match *rvalue {
                     Rvalue::Use(Operand::Copy(Place::Local(local))) |