From ef130e855b5ac0f4acbb8b5b6fcd14069df8afe5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 3 Jun 2022 12:23:34 +0200
Subject: Reset value::extra on variable_map value change/version increment

The reset on each modification semantics is used to implement the default
value distinction as currently done in the config module but later probably
will be done for ?= and $origin().
---
 libbuild2/parser.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libbuild2/parser.cxx')

diff --git a/libbuild2/parser.cxx b/libbuild2/parser.cxx
index 19c1751..cc3fba7 100644
--- a/libbuild2/parser.cxx
+++ b/libbuild2/parser.cxx
@@ -4532,7 +4532,7 @@ namespace build2
       // Note that the pattern is preserved if insert fails with regex_error.
       //
       p = scope_->target_vars[ptt].insert (pt, move (pat)).insert (
-        var, kind == type::assign);
+        var, kind == type::assign, false /* reset_extra */);
     }
     catch (const regex_error& e)
     {
-- 
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