983 equal_type(type_T *type1, type_T *type2, int flags)  in equal_type()  argument
987     if (type1 == NULL || type2 == NULL)  in equal_type()
989     if (type1->tt_type != type2->tt_type)  in equal_type()
1008 	    return equal_type(type1->tt_member, type2->tt_member, flags);  in equal_type()
1011 	    if (!equal_type(type1->tt_member, type2->tt_member, flags)  in equal_type()
1012 		    || type1->tt_argcount != type2->tt_argcount)  in equal_type()
1015 			   || type1->tt_args == NULL || type2->tt_args == NULL)  in equal_type()
1019 			&& !equal_type(type1->tt_args[i], type2->tt_args[i],  in equal_type()
1032 common_type(type_T *type1, type_T *type2, type_T **dest, garray_T *type_gap)  in common_type()  argument
1034     if (equal_type(type1, type2, 0))  in common_type()
1044 	*dest = type2;  in common_type()
1047     if (type2 == NULL || type2->tt_type == VAR_UNKNOWN)  in common_type()
1053     if (type1->tt_type == type2->tt_type)  in common_type()
1055 	if (type1->tt_type == VAR_LIST || type2->tt_type == VAR_DICT)  in common_type()
1059 	    common_type(type1->tt_member, type2->tt_member, &common, type_gap);  in common_type()
1070 	    common_type(type1->tt_member, type2->tt_member, &common, type_gap);  in common_type()
1071 	    if (type1->tt_argcount == type2->tt_argcount  in common_type()
1078 		if (type1->tt_args != NULL && type2->tt_args != NULL)  in common_type()
1083 			    common_type(type1->tt_args[i], type2->tt_args[i],  in common_type()
1094 			type1->tt_min_argcount < type2->tt_min_argcount  in common_type()
1095 			     ? type1->tt_min_argcount : type2->tt_min_argcount;  in common_type()