From ed6b2b5faa5e4725c86042777e5241fcf1b53e20 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sat, 12 May 2018 22:28:39 +0300
Subject: Fix assertion failure due to parser::attributes_pop() call in
 pre-parse mode

---
 build2/parser.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/build2/parser.cxx b/build2/parser.cxx
index de83872..96465f6 100644
--- a/build2/parser.cxx
+++ b/build2/parser.cxx
@@ -2649,7 +2649,8 @@ namespace build2
       if (at.first)
         fail (at.second) << "attributes before target-qualified variable name";
 
-      attributes_pop ();
+      if (!pre_parse_)
+        attributes_pop ();
 
       const location nl (get_location (t));
       next (t, tt);
-- 
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