From 8c637bf3530a92d8e22776e0dfda3df24f21e5d2 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 25 Oct 2018 10:56:22 +0200
Subject: Fix race in rule synthesis logic

---
 build2/rule.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'build2/rule.cxx')

diff --git a/build2/rule.cxx b/build2/rule.cxx
index fc80816..85f4e36 100644
--- a/build2/rule.cxx
+++ b/build2/rule.cxx
@@ -116,7 +116,7 @@ namespace build2
     // to unchanged. This is an important optimization on which quite a few
     // places that deal with predominantly static content rely.
     //
-    if (!t.has_prerequisites ())
+    if (!t.has_group_prerequisites ()) // Group as in match_prerequisites().
       return noop_recipe;
 
     // Match all the prerequisites.
-- 
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