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-rw-r--r--src/librustc_lexer/src/tests.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/librustc_lexer/src/tests.rs b/src/librustc_lexer/src/tests.rs
index ba5897c5d42..4af435536f0 100644
--- a/src/librustc_lexer/src/tests.rs
+++ b/src/librustc_lexer/src/tests.rs
@@ -7,7 +7,9 @@ mod tests {
         expected: UnvalidatedRawStr,
         validated: Result<ValidatedRawStr, LexRawStrError>,
     ) {
+        let s = &format!("r{}", s);
         let mut cursor = Cursor::new(s);
+        cursor.bump();
         let tok = cursor.raw_double_quoted_string(0);
         assert_eq!(tok, expected);
         assert_eq!(tok.validate(), validated);