From fdd1a62a453dd41b75bc1b3a992c35292b853877 Mon Sep 17 00:00:00 2001
From: Alexander Regueiro <alexreg@me.com>
Date: Mon, 30 Sep 2019 01:05:00 +0100
Subject: [PATCH] Added backticks for one diagnostic message.

---
 src/libsyntax/parse/lexer/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsyntax/parse/lexer/mod.rs b/src/libsyntax/parse/lexer/mod.rs
index 66add869359d8..ac3feadce3ae6 100644
--- a/src/libsyntax/parse/lexer/mod.rs
+++ b/src/libsyntax/parse/lexer/mod.rs
@@ -47,7 +47,7 @@ impl<'a> StringReader<'a> {
                source_file: Lrc<syntax_pos::SourceFile>,
                override_span: Option<Span>) -> Self {
         if source_file.src.is_none() {
-            sess.span_diagnostic.bug(&format!("Cannot lex source_file without source: {}",
+            sess.span_diagnostic.bug(&format!("cannot lex `source_file` without source: {}",
                                               source_file.name));
         }