Integrate perlio:
Jarkko Hietaniemi [Wed, 2 Jan 2002 16:51:38 +0000 (16:51 +0000)]
[ 14017]
Avoid un-init perl_debug_pad in clones

p4raw-link: @14017 on //depot/perlio: 45ef2ede190b88887a0dfeb6502000b5ea6f0174

p4raw-id: //depot/perl@14019


Trivial merge