patch 8.0.0553: toupper/tolower test fails on Mac commit https://github.com/vim/vim/commit/9f4de1f5435b900e43e19766da1a5bed4686cf44 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 8 19:39:43 2017 +0200 patch 8.0.0553: toupper/tolower test fails on Mac Problem: Toupper/tolower test with Turkish locale fails on Mac. Solution: Skip the test on Mac.

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")