fix regress tests 9.3

expected/plpgsql_check_active-9.3.out

@@ -292,3 +292,79 @@ select * from plpgsql_check_function('fx2()', performance_warnings := true);
 (2 rows)
 
 drop function fx2();
+create or replace function test_lab()
+returns void as $$
+begin
+    <<outer>>
+    for a in 1..3 loop
+    <<sub>>
+    BEGIN
+        <<inner>>
+        for b in 8..9 loop
+            if a=2 then
+                continue sub;
+            end if;
+            raise notice '% %', a, b;
+        end loop inner;
+    END sub;
+    end loop outer;
+end;
+$$ language plpgsql;
+select test_lab();
+NOTICE:  1 8
+NOTICE:  1 9
+ERROR:  CONTINUE cannot be used outside a loop
+CONTEXT:  PL/pgSQL function test_lab()
+select * from plpgsql_check_function('test_lab()', performance_warnings := true);
+                        plpgsql_check_function                        
+----------------------------------------------------------------------
+ error:42601:10:CONTINUE:block label "sub" cannot be used in CONTINUE
+(1 row)
+
+create or replace function test_lab()
+returns void as $$
+begin
+  continue;
+end;
+$$ language plpgsql;
+select test_lab();
+ERROR:  CONTINUE cannot be used outside a loop
+CONTEXT:  PL/pgSQL function test_lab()
+select * from plpgsql_check_function('test_lab()', performance_warnings := true);
+                    plpgsql_check_function                     
+---------------------------------------------------------------
+ error:42601:3:CONTINUE:CONTINUE cannot be used outside a loop
+(1 row)
+
+create type _exception_type as (
+  state text,
+  message text,
+  detail text);
+create or replace function f1()
+returns void as $$
+declare
+  _exception record;
+begin
+  _exception := NULL::_exception_type;
+exception when others then
+  get stacked diagnostics
+        _exception.state = RETURNED_SQLSTATE,
+        _exception.message = MESSAGE_TEXT,
+        _exception.detail = PG_EXCEPTION_DETAIL,
+        _exception.hint = PG_EXCEPTION_HINT;
+end;
+$$ language plpgsql;
+select f1();
+ f1 
+----
+
+(1 row)
+
+select * from plpgsql_check_function('f1()');
+                        plpgsql_check_function                         
+-----------------------------------------------------------------------
+ error:42703:7:GET DIAGNOSTICS:record "_exception" has no field "hint"
+(1 row)
+
+drop function f1();
+drop type _exception_type;