Don't ICE on macros with -Z show-span

Closes #17115
rust-lang · Sep 10, 2014 · b865c1f · b865c1f · bors · Sep 10, 2014
1 parent 641b198
commit b865c1f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/librustc/front/show_span.rs b/src/librustc/front/show_span.rs
@@ -28,6 +28,10 @@ impl<'a> Visitor<()> for ShowSpanVisitor<'a> {
         self.sess.span_note(e.span, "expression");
         visit::walk_expr(self, e, ());
     }
+
+    fn visit_mac(&mut self, macro: &ast::Mac, e: ()) {
+        visit::walk_mac(self, macro, e);
+    }
 }
 
 pub fn run(sess: &Session, krate: &ast::Crate) {