Integrate perlio:
Jarkko Hietaniemi [Wed, 6 Feb 2002 15:38:25 +0000 (15:38 +0000)]
[ 14575]
One way to avoid OS390 winge about #line directives.

p4raw-link: @14575 on //depot/perlio: 1604a5406b7adf0a94a6c9490c526da20d71e4c3

p4raw-id: //depot/perl@14577


Trivial merge