id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
8930	boost::path::root_directory() throws locale::facet::_S_create_c_locale name not valid	Yaohan Chen <yaohan.chen@…>	Beman Dawes	"On Arch Linux with boost 1.54.0, I'm getting locale::facet::_S_create_c_locale name not valid when calling boost::path::root_directory() while LANG is set to a locale which is unlisted in locale -a.

boost_file_system_test.cpp:
{{{
#include <boost/filesystem.hpp>
int main() {
  boost::filesystem::path(""/abc"").root_directory();
}
}}}

Compiling, running and backtrace:
{{{
$ g++ -std=c++0x -I/usr/include -lboost_filesystem -lboost_system -o boost_filesystem_test boost_file_system_test.cpp

$ LANG=foo gdb boost_file_system_test
...
terminate called after throwing an instance of 'std::runtime_error'
  what():  locale::facet::_S_create_c_locale name not valid

Program received signal SIGABRT, Aborted.
0xb7fdd424 in __kernel_vsyscall ()
(gdb) bt
#0  0xb7fdd424 in __kernel_vsyscall ()
#1  0xb7cbf256 in raise () from /usr/lib/libc.so.6
#2  0xb7cc09e3 in abort () from /usr/lib/libc.so.6
#3  0xb7eeb615 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/libstdc++.so.6
#4  0xb7ee9283 in ?? () from /usr/lib/libstdc++.so.6
#5  0xb7ee92bf in std::terminate() () from /usr/lib/libstdc++.so.6
#6  0xb7ee951e in __cxa_throw () from /usr/lib/libstdc++.so.6
#7  0xb7f41842 in std::__throw_runtime_error(char const*) () from /usr/lib/libstdc++.so.6
#8  0xb7f08138 in std::locale::facet::_S_create_c_locale(__locale_struct*&, char const*, __locale_struct*) () from /usr/lib/libstdc++.so.6
#9  0xb7efc759 in std::locale::_Impl::_Impl(char const*, unsigned int) ()
   from /usr/lib/libstdc++.so.6
#10 0xb7efd95a in std::locale::locale(char const*) () from /usr/lib/libstdc++.so.6
#11 0xb7f98e67 in boost::filesystem::path::codecvt() ()
   from /usr/lib/libboost_filesystem.so.1.54.0
#12 0xb7f9ab4d in boost::filesystem::path::root_directory() const ()
   from /usr/lib/libboost_filesystem.so.1.54.0
#13 0x08048ec7 in main ()
}}}"	Bugs	closed	Boost 1.57.0	filesystem	Boost 1.54.0	Problem	fixed