WGRP               60 maint/gnulib/lib/modechange.c            && S_IRGRP == RGRP && S_IWGRP == WGRP && S_IXGRP == XGRP
WGRP               70 maint/gnulib/lib/modechange.c                       | (octal & WGRP ? S_IWGRP : 0)