From f4d30b156b2958ba01b59a1751e16b5f6e157fcb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Esteban=20K=C3=BCber?= <esteban@kuber.com.ar>
Date: Sun, 17 Mar 2024 23:46:39 +0000
Subject: [PATCH] fix rustdoc test

---
 compiler/rustc_parse/src/lexer/unescape_error_reporting.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs
index 1ac6b6fe115..fa242a32a18 100644
--- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs
+++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs
@@ -95,7 +95,7 @@ pub(crate) fn emit_unescape_error(
                     }
                     escaped.push(c);
                 }
-                if escaped.len() != lit.len() {
+                if escaped.len() != lit.len() || full_lit_span.is_empty() {
                     let sugg = format!("{prefix}\"{escaped}\"");
                     MoreThanOneCharSugg::QuotesFull {
                         span: full_lit_span,