From eacf7f7ccd40a56d1fe761d3d30ced6c6acd58da Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 1 Nov 2018 13:00:16 +0200
Subject: Add support for rule-specific variables, use to fix cc.type data race

---
 build2/variable.hxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'build2/variable.hxx')

diff --git a/build2/variable.hxx b/build2/variable.hxx
index 7a0e531..7dc3d1a 100644
--- a/build2/variable.hxx
+++ b/build2/variable.hxx
@@ -1351,6 +1351,9 @@ namespace build2
     explicit
     variable_map (bool global = false): global_ (global) {}
 
+    void
+    clear () {m_.clear ();}
+
   private:
     friend class variable_type_map;
 
-- 
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