libstdc++: Fix debug-mode build failure in <chrono>

libstdc++-v3/ChangeLog:

	* include/std/chrono (year_month_weekday::ok): Fix assert.

diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono
index bf0d7e7af76638ee8fdfd84c21398d443174d262..3cc1438a7b6242c82ddffe54f628717e3c7cb14d 100644 (file)
--- a/libstdc++-v3/include/std/chrono
+++ b/libstdc++-v3/include/std/chrono
@@ -2613,7 +2613,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        days __d = (_M_wdi.weekday()
                    - chrono::weekday{sys_days{_M_y / _M_m / 1}}
                    + days((_M_wdi.index()-1)*7 + 1));
-       __glibcxx_assert(__d >= 1);
+       __glibcxx_assert(__d.count() >= 1);
        return __d.count() <= unsigned{(_M_y / _M_m / last).day()};
       }