Provide specific label for patern parsing error

[rust.git] / src / libsyntax / ext / expand.rs

diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 33b651e1b385403b42f504d7b0ca65c4f255a493..84e40a7e4033de5dc305436460d8fc29e4d23544 100644 (file)
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -1030,7 +1030,7 @@ pub fn parse_ast_fragment(&mut self, kind: AstFragmentKind, macro_legacy_warning
                 }
             },
             AstFragmentKind::Ty => AstFragment::Ty(self.parse_ty()?),
-            AstFragmentKind::Pat => AstFragment::Pat(self.parse_pat()?),
+            AstFragmentKind::Pat => AstFragment::Pat(self.parse_pat(None)?),
         })
     }