1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs
index d625080dee4..29fe2b76101 100644
--- a/compiler/rustc_parse/src/parser/generics.rs
+++ b/compiler/rustc_parse/src/parser/generics.rs
@@ -312,6 +312,7 @@ impl<'a> Parser<'a> {
                 id: ast::DUMMY_NODE_ID,
             }))
         } else {
+            self.maybe_recover_bounds_doubled_colon(&ty)?;
             self.unexpected()
         }
     }