From ddb46aaf88148f9b525eef43794f02f5247c0461 Mon Sep 17 00:00:00 2001
From: christopherdumas <christopherdumas@me.com>
Date: Wed, 2 Sep 2015 15:48:21 -0700
Subject: [PATCH] Fix ICE per #28172

---
 src/librustc/middle/check_const.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/librustc/middle/check_const.rs b/src/librustc/middle/check_const.rs
index ad9cbfcf4c0..37e14428176 100644
--- a/src/librustc/middle/check_const.rs
+++ b/src/librustc/middle/check_const.rs
@@ -378,8 +378,8 @@ fn visit_pat(&mut self, p: &hir::Pat) {
                             "lower range bound must be less than or equal to upper");
                     }
                     None => {
-                        self.tcx.sess.span_bug(
-                            start.span, "literals of different types in range pat");
+                        self.tcx.sess.delay_span_bug(start.span,
+                                                     "non-constant path in constant expr");
                     }
                 }
             }
-- 
2.44.0