From 414202cd18ab25da18e52d48edee0cf3fb5af8bf Mon Sep 17 00:00:00 2001
From: volth <volth@webmaster.ms>
Date: Mon, 3 Sep 2018 13:15:43 +0000
Subject: [PATCH] perlPackages.UNIVERSALref: broken with perl 5.26+

(cherry picked from commit 9173c37e057691f9b813529440e50287dbbd6adc)
---
 pkgs/top-level/perl-packages.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index e9e768bfb367..046f4a4eaba5 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -17056,6 +17056,7 @@ let
      meta = {
        description = "Turns ref() into a multimethod";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
+       broken = stdenv.lib.versionAtLeast perl.version "5.26"; # 'OP {aka struct op}' has no member named 'op_sibling'
      };
   };