From 9996a730b686399d385bf2696d3b9cd681b0fcec Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sat, 25 May 2019 16:33:20 +0300
Subject: Fix previous workaround

---
 build2/test/script/regex.hxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'build2')

diff --git a/build2/test/script/regex.hxx b/build2/test/script/regex.hxx
index ec02b18..70de7ee 100644
--- a/build2/test/script/regex.hxx
+++ b/build2/test/script/regex.hxx
@@ -619,8 +619,8 @@ namespace std
   // is_unsigned so we have to get deeper into the implementation details.
   //
 #if defined(_MSC_VER) && _MSC_VER >= 1921
-  template <class _Ty>
-  struct _Sign_base<_Ty, false>
+  template <>
+  struct _Sign_base<build2::test::script::regex::line_char, false>
   {
     static constexpr bool _Signed   = false;
     static constexpr bool _Unsigned = true;
-- 
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