--------------------------------------<snip>---------------------------------
And I've had a few doozies - one program should have had an LA
instruction that got keypunched as an LH; the error was discovered
fourteen years later when IBM changed a control block around so the
referenced field wound up on an odd boundary.
------------------------------------<unsnip>--------------------------------
This one took me 8 months to isolate:
B 12(,R15) X'47F0F00C'
DC AL1(7),CL8'IEFUJV' X'07C9C5C6E4D1E54040'
Ended up doing a STH of R4 at what appeared to be a totally random
address. Only failed when the clobbered storage was executed. :-)
Our systems staff had its own sandbox to play, and test, all changes,
but that guy's "under-confidence" was such that he wouldn't even test on
our sandbox.
Rick
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