GCC 9.2.0 for MSYS2

[filler56789]

mingw-w64 6.0.0
binutils 2.32
pthreads-w32 2-9-1
gmp 6.1.2
mpfr 4.0.2
mpc 1.1.0
isl 0.21

Download from: http://www.mediafire.com/file/f1st2zkctcmurjm/GCC_9.2.0_for_MSYS2.7z/file