1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsyntax/source_map.rs b/src/libsyntax/source_map.rs
index 5e569f9dae3..1501adc5971 100644
--- a/src/libsyntax/source_map.rs
+++ b/src/libsyntax/source_map.rs
@@ -970,6 +970,9 @@ impl SourceMapper for SourceMap {
     fn span_to_string(&self, sp: Span) -> String {
         self.span_to_string(sp)
     }
+    fn span_to_snippet(&self, sp: Span) -> Result<String, SpanSnippetError> {
+        self.span_to_snippet(sp)
+    }
     fn span_to_filename(&self, sp: Span) -> FileName {
         self.span_to_filename(sp)
     }