From de15b95d09d00821aa23e96a0c3e827689c27a58 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 20 Jul 2016 16:18:29 +0200
Subject: Switch to dynamic empty() implementation in variable value

The current model fell apart when we modified values directly.
---
 build2/file.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'build2/file.cxx')

diff --git a/build2/file.cxx b/build2/file.cxx
index 9b3be0c..9ab01ce 100644
--- a/build2/file.cxx
+++ b/build2/file.cxx
@@ -659,7 +659,7 @@ namespace build2
     // never set it to NULL).
     //
     auto l (root.vars["subprojects"]);
-    return l.defined () && (l->null () || l->type != nullptr);
+    return l.defined () && (l->null || l->type != nullptr);
   }
 
   void
-- 
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