patch 8.0.0948: crash if timer closes window while dragging status line commit https://github.com/vim/vim/commit/989a70c590c2bd109eb362d3a0e48cb1427ae13d Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 16 22:46:01 2017 +0200 patch 8.0.0948: crash if timer closes window while dragging status line Problem: Crash if timer closes window while dragging status line. Solution: Check if the window still exists. (Yasuhiro Matsumoto, closes #1979)

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}\")