patch 8.2.4739: accessing freed memory after WinScrolled autocmd event Commit: https://github.com/vim/vim/commit/d58862d18f091d3c14fa3647e724ef7eea1ecefa Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Apr 12 11:32:48 2022 +0100 patch 8.2.4739: accessing freed memory after WinScrolled autocmd event Problem: Accessing freed memory after WinScrolled autocmd event. Solution: Check the window pointer is still valid. (closes https://github.com/vim/vim/issues/10156) Remove the argument from may_trigger_winscrolled().

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}\")