$ ./perl -Ilib -Tde 1
Insecure dependency in require while running with -T switch at lib/perl5db.pl line 1417.
Compilation failed in require.
 at -e line 0
        main::BEGIN() called at lib/perl5db.pl line 0
        eval {...} called at lib/perl5db.pl line 0
BEGIN failed--compilation aborted.
 at -e line 0
Debugged program terminated.  Use q to quit or R to restart,
  use o inhibit_exit to avoid stopping after program termination,
  h q, h R or h o to get additional info.
  DB<1> q