From fbd86a218a4477fb505aff76713f3bd75d683a38 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 25 Dec 2017 01:17:55 +0300
Subject: Adapt regex to digit(wchar_t) added to libbutl

---
 build2/test/script/regex.hxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'build2/test/script/regex.hxx')

diff --git a/build2/test/script/regex.hxx b/build2/test/script/regex.hxx
index c8c3877..a3a0d2d 100644
--- a/build2/test/script/regex.hxx
+++ b/build2/test/script/regex.hxx
@@ -462,7 +462,8 @@ namespace std
     is (mask m, char_type c) const
     {
       return m ==
-        (c.type () == line_type::special && build2::digit (c.special ())
+        (c.type () == line_type::special && c.special () >= 0 &&
+         build2::digit (static_cast<char> (c.special ()))
          ? digit
          : 0);
     }
-- 
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