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-rw-r--r--build2/test/script/regex.hxx4
1 files changed, 2 insertions, 2 deletions
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;