save the gv to manage the lifespan of
the pipe, but this didn't help. XXX */
filter_child_proc = (GV *)arg;
- SvREFCNT_inc(filter_child_proc);
+ (void)SvREFCNT_inc(filter_child_proc);
}
else {
if (IoOFP(io) && IoOFP(io) != IoIFP(io)) {
if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) {
filter_sub = arg;
- SvREFCNT_inc(filter_sub);
+ (void)SvREFCNT_inc(filter_sub);
if (i < count) {
filter_state = SP[i];
- SvREFCNT_inc(filter_state);
+ (void)SvREFCNT_inc(filter_state);
}
if (tryrsfp == 0) {