Provide specific label for patern parsing error

2018-10-28 11:54:31 -07:00
parent d491734b15
commit adb96ec64b
11 changed files with 40 additions and 44 deletions
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -1030,7 +1030,7 @@ impl<'a> Parser<'a> {
                }
            },
            AstFragmentKind::Ty => AstFragment::Ty(self.parse_ty()?),
-            AstFragmentKind::Pat => AstFragment::Pat(self.parse_pat()?),
+            AstFragmentKind::Pat => AstFragment::Pat(self.parse_pat(None)?),
        })
    }