https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65927
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-04-29 Ever confirmed|0 |1 Severity|normal |minor --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Most of the member functions in __timepunct are not used anywhere. The fix for this would be: --- a/libstdc++-v3/include/bits/locale_facets_nonio.h +++ b/libstdc++-v3/include/bits/locale_facets_nonio.h @@ -237,8 +237,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION } void - _M_am_pm_format(const _CharT* __ampm) const - { __ampm = _M_data->_M_am_pm_format; } + _M_am_pm_format(const _CharT** __ampm) const + { *__ampm = _M_data->_M_am_pm_format; } void _M_am_pm(const _CharT** __ampm) const But we could just as well remove the function entirely.