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

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