patch 8.2.0381: using freed memory with :lvimgrep and autocommand Commit: https://github.com/vim/vim/commit/2573af3519ad062ddad647b97e32090f106f2ac1 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 14 17:21:34 2020 +0100 patch 8.2.0381: using freed memory with :lvimgrep and autocommand Problem: Using freed memory with :lvimgrep and autocommand. (extracted from POC by Dominique Pelle) Solution: Avoid deleting a dummy buffer used in a window. (closes #5777)

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}\")