Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning option
 [code=plsql]
declare N Number:=0;
begin
  dbms_output.put_line('Test 1');
  if N/N>0 then 
    Null;
  end if;
  dbms_output.put_line('No exception in test 1');
  dbms_output.put_line('Test 2');
  if N/N>0 then 
    N:=0;
  end if;
  dbms_output.put_line('No exception in test 2');
exception when others then
  dbms_output.put_line('Exception');
end;
/

if F(..) is null then null;end if;

alter session set plsql_optimize_level = 1

Declare
Type TRecord is Record(
  ID Number,
  Code Varchar2(32),
  Property Varchar2(250),
  Parent Varchar2(32),
  StartedValue Varchar2(4000),
  CurrentValue Varchar2(4000)
);
  Type TTableOfRecord is Table of TRecord index by Varchar2(32);
  Type TTableOfTableOfRecord is Table of TTableOfRecord index by Varchar2(32);
  Tab TTableOfTableOfRecord;
  Code Varchar2(32):='A';
begin
  Tab(Code)('0').ID:=0;
  for i in 1..10000 loop
    if not Tab(Code).exists(i) then
      Tab(Code)(i).ID:=i;
      Tab(Code)(i).Code:=i;
      Tab(Code)(i).Property:=i;
      Tab(Code)(i).StartedValue:=i;
      Tab(Code)(i).CurrentValue:=i;
    end if;
  end loop;
end;
/

alter session set plsql_optimize_level = 2