From e5e9867f604b9f656d529deb04a6b99338770c9e Mon Sep 17 00:00:00 2001
From: AB1908 <abhishekbhattachejree@live.com>
Date: Tue, 15 Jan 2019 08:26:29 +0000
Subject: [PATCH] Pass a default value when unwrapping a span

Fixes #57323
---
 src/librustc_metadata/native_libs.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_metadata/native_libs.rs b/src/librustc_metadata/native_libs.rs
index d35d64957b7b..1f00086e32fe 100644
--- a/src/librustc_metadata/native_libs.rs
+++ b/src/librustc_metadata/native_libs.rs
@@ -163,7 +163,7 @@ impl<'a, 'tcx> Collector<'a, 'tcx> {
            !self.tcx.features().static_nobundle {
             feature_gate::emit_feature_err(&self.tcx.sess.parse_sess,
                                            "static_nobundle",
-                                           span.unwrap(),
+                                           span.unwrap_or_else(|| syntax_pos::DUMMY_SP),
                                            GateIssue::Language,
                                            "kind=\"static-nobundle\" is feature gated");
         }