SQL> create table t (col int);

Table created.

SQL> create view v as select * from t;

View created.

SQL> create procedure p as n int; begin select count(*) into n from v; end;
  2  /

Procedure created.

SQL> col object_name format a15
SQL> select object_name, status from user_objects where object_name in ('T','V','P') order by 1;
OBJECT_NAME     STATUS
--------------- -------
P               VALID
T               VALID
V               VALID

3 rows selected.

SQL> drop table t;

Table dropped.

SQL> select object_name, status from user_objects where object_name in ('T','V','P') order by 1;
OBJECT_NAME     STATUS
--------------- -------
P               INVALID
V               INVALID

2 rows selected.