patch 8.2.4799: popup does not use correct topline Commit: https://github.com/vim/vim/commit/0044e5100a0e76a0bc1ea18c63a432c20428de5e Author: LemonBoy <thatlemon@gmail.com> Date: Wed Apr 20 19:47:37 2022 +0100 patch 8.2.4799: popup does not use correct topline Problem: Popup does not use correct topline. Solution: Also add one when firstline is negative. (closes https://github.com/vim/vim/issues/10229)

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}\")