Integrate perlio:
Jarkko Hietaniemi [Mon, 19 Mar 2001 21:42:27 +0000 (21:42 +0000)]
[  9248]
Tweak to perly.y to allow -DDEBUGGING to compile on OS390.
(Building on OS390 uses native YACC and YYDEBUG has other
side effects.)

[  9246]
More EBCDIC fixes.

p4raw-link: @9248 on //depot/perlio: 1e0e26cb26fde01fd11e7cf9703ff3045aed4e51
p4raw-link: @9246 on //depot/perlio: c4d5f83add3e03ac76c328ed8a29701d939174ce

p4raw-id: //depot/perl@9252


Trivial merge