From bae5f3976b21f33d9d15ed7da04d3fb9b1878bdc Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Tue, 18 Feb 2020 14:50:27 +0100
Subject: [PATCH] Add E0747 error code

---
 src/librustc_error_codes/error_codes.rs | 1 +
 src/librustc_parse/lexer/mod.rs         | 8 ++++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/librustc_error_codes/error_codes.rs b/src/librustc_error_codes/error_codes.rs
index 91a7b6c8958..89359bb1bfd 100644
--- a/src/librustc_error_codes/error_codes.rs
+++ b/src/librustc_error_codes/error_codes.rs
@@ -418,6 +418,7 @@ E0744: include_str!("./error_codes/E0744.md"),
 E0745: include_str!("./error_codes/E0745.md"),
 E0746: include_str!("./error_codes/E0746.md"),
 E0747: include_str!("./error_codes/E0747.md"),
+E0748: include_str!("./error_codes/E0748.md"),
 ;
 //  E0006, // merged with E0005
 //  E0008, // cannot bind by-move into a pattern guard
diff --git a/src/librustc_parse/lexer/mod.rs b/src/librustc_parse/lexer/mod.rs
index 66280638a2d..face0e67992 100644
--- a/src/librustc_parse/lexer/mod.rs
+++ b/src/librustc_parse/lexer/mod.rs
@@ -1,5 +1,5 @@
 use rustc_data_structures::sync::Lrc;
-use rustc_errors::{DiagnosticBuilder, FatalError};
+use rustc_errors::{error_code, DiagnosticBuilder, FatalError};
 use rustc_lexer::unescape;
 use rustc_lexer::Base;
 use rustc_session::parse::ParseSess;
@@ -495,7 +495,11 @@ impl<'a> StringReader<'a> {
     }
 
     fn report_unterminated_raw_string(&self, start: BytePos, n_hashes: usize) -> ! {
-        let mut err = self.struct_span_fatal(start, start, "unterminated raw string");
+        let mut err = self.sess.span_diagnostic.struct_span_fatal_with_code(
+            self.mk_sp(start, start),
+            "unterminated raw string",
+            error_code!(E0748),
+        );
         err.span_label(self.mk_sp(start, start), "unterminated raw string");
 
         if n_hashes > 0 {