From 3938d1c3a0de449fa9291783257e674acd12876b Mon Sep 17 00:00:00 2001
From: Grzegorz Bizon <grzesiek.bizon@gmail.com>
Date: Tue, 27 Feb 2018 10:39:35 +0100
Subject: Robustify pipeline expressions nodes parser

---
 lib/gitlab/ci/pipeline/expression/parser.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gitlab/ci/pipeline/expression/parser.rb b/lib/gitlab/ci/pipeline/expression/parser.rb
index 1f6a3602b31..a55e50eebde 100644
--- a/lib/gitlab/ci/pipeline/expression/parser.rb
+++ b/lib/gitlab/ci/pipeline/expression/parser.rb
@@ -12,7 +12,7 @@ module Gitlab
             while token = @tokens.next
               case token.type
               when :operator
-                token.build(@nodes.last, tree).tap do |node|
+                token.build(@nodes.pop, tree).tap do |node|
                   @nodes.push(node)
                 end
               when :value
-- 
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