https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77459
--- Comment #5 from Georg Koppen <gk at torproject dot org> --- No, it is still broken after applying the patch to 6.2.0: ../src/c++11/.libs/libc++11convenience.a(debug.o): In function `format_word<char const*>': /home/ubuntu/build/gcc/i686-w64-mingw32/libstdc++-v3/src/c++11/../../../../gcc-6.2.0/libstdc++-v3/src/c++11/debug.cc:536: undefined reference to `snprintf' /home/ubuntu/build/gcc/i686-w64-mingw32/libstdc++-v3/src/c++11/../../../../gcc-6.2.0/libstdc++-v3/src/c++11/debug.cc:536: undefined reference to `snprintf' /home/ubuntu/build/gcc/i686-w64-mingw32/libstdc++-v3/src/c++11/../../../../gcc-6.2.0/libstdc++-v3/src/c++11/debug.cc:536: undefined reference to `snprintf' collect2: error: ld returned 1 exit status