1 files changed, 6 insertions, 0 deletions
diff --git a/src/libsyntax/parse/obsolete.rs b/src/libsyntax/parse/obsolete.rs
index 2ade0810dea..9f5a79c4f81 100644
--- a/src/libsyntax/parse/obsolete.rs
+++ b/src/libsyntax/parse/obsolete.rs
@@ -56,6 +56,7 @@ pub enum ObsoleteSyntax {
     ObsoleteBareFnType,
     ObsoleteNewtypeEnum,
     ObsoleteMode,
+    ObsoleteImplicitSelf,
 }
 
 impl to_bytes::IterBytes for ObsoleteSyntax {
@@ -181,6 +182,11 @@ pub impl Parser {
                 "obsolete argument mode",
                 "replace `-` or `++` mode with `+`"
             ),
+            ObsoleteImplicitSelf => (
+                "implicit self",
+                "use an explicit `self` declaration or declare the method as \
+                 static"
+            ),
         };
 
         self.report(sp, kind, kind_str, desc);