https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107998
--- Comment #14 from James McKelvey <mckelvey at maskull dot com> --- Okay I installed gcc-12, built about 10/29/2022: $ g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-pc-cygwin/12.2.1/lto-wrapper.exe Target: x86_64-pc-cygwin Configured with: ./configure --enable-languages=c,c++ --enable-threads=posix Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.2.1 20221029 (GCC) $ cat gcc/config/i386/t-cygwin-w64 MULTILIB_OPTIONS = m64/m32 MULTILIB_DIRNAMES = 64 MULTILIB_OSDIRNAMES = ../lib ../lib32 $ gcc -print-multi-lib .; ;@m32 $ gcc -print-multi-directory . $ gcc -print-multi-directory -m64 . $ gcc -print-multi-directory -m32 $ gcc -print-multi-os-directory ../lib $ gcc -print-multi-os-directory -m64 ../lib $ gcc -print-multi-os-directory -m32 ../lib32