libgcc: PR bootstrap/50982 * config/gthr-posix.h: Move ... * gthr-posix.h: ... here. * config/gthr-lynx.h: Reflect this. * config/gthr-vxworks.h: Likewise. * config/rs6000/gthr-aix.h: Likewise. * configure.ac (target_thread_file): Likewise. * configure: Regenerate. libstdc++-v3: PR bootstrap/50982 * include/Makefile.am (${host_builddir}/gthr-posix.h): Reflect gthr-posix.h move. * include/Makefile.in: Regenerate. From-SVN: r181095