on my Msys2 + Mingw64 on Win7 64 bits, even echo 1 gives different filesize when the same -d:release are used. So what makes the difference and how to strip down besides strip/upx?
source, 0.18.0 0.18.1(git cloned)
echo 1, 462,025 462,238
demo.nim from wnim 1,014,498 1,024,475
scribble.nim from wnim 901,233 909,836