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Nat!

Senior Mull.

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One of these WTF moments

GNU gdb 6.3.50-20050815 (Apple version gdb-1469) (Wed May  5 04:36:56 UTC 2010)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin".
(gdb) p 1234 % 2000
$1 = 234
(gdb) 1 % 10
Undefined command: "1".  Try "help".
(gdb) p 1 % 10
$2 = 1
(gdb) p 9 % 10
$3 = 9
(gdb) p 11 % 10
$4 = 1
(gdb) p 1234 % 1000
$5 = 234
(gdb) p 1234 % 2000
$6 = 1234
(gdb) p 1234 % 2000
$7 = 1234

Yes, totally non reproducable. No I didn't edit anything.

Posting this, although everbody will think, it's my fault :)