Fix arm visitor

mattico · mattico · commit eb143c344e08 · 2017-09-01T14:39:46.000-05:00
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
@@ -1444,6 +1444,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
                                span,
                                "Use of a '|' at the beginning of a match arm is experimental")
         }
+        visit::walk_arm(self, arm)
     }
 
     fn visit_pat(&mut self, pattern: &'a ast::Pat) {

Original file line number	Diff line number	Diff line change
`@@ -1444,6 +1444,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {`
`1444`	`1444`	`span,`
`1445`	`1445`	`"Use of a '\|' at the beginning of a match arm is experimental")`
`1446`	`1446`	`}`
	`1447`	`+ visit::walk_arm(self, arm)`
`1447`	`1448`	`}`
`1448`	`1449`
`1449`	`1450`	`fn visit_pat(&mut self, pattern: &'a ast::Pat) {`