"Void function should not return a value" build failure(s) — clang 11.0.0

A void function should not have a returned value.
void foo() {
	return 1;
}
PackageVersionSupposed error messageFull log Bug report
aces3 3.0.8-7asv_ctl.c:1722:1: error: void function 'str2d_' should not return a value [-Wreturn-type] Log
awesfx 0.5.2-1alsa.c:149:2: error: void function 'seq_set_gus_bank' should not return a value [-Wreturn-type] Log
fairymax 5.0b-1fairymax.c:477:21: error: void function 'PrintVariants' should not return a value [-Wreturn-type] Log 743008
oregano 0.84.41+dfsg.1-1../src/model/item-data.c:456:2: error: void function 'item_data_set_property' should not return a value [-Wreturn-type] Log 743871
ucblogo 6.1-1main.c:105:5: error: void function 'logo_stop' should not return a value [-Wreturn-type] Log
ukui-power-manager 2.0.2-1gpm-manager.c:1233:3: error: void function 'gpm_manager_engine_close_notify_cb' should not return a value [-Wreturn-type] Log

6 errors