One of these WTF moments

GNU gdb 6.3.50-20050815 (Apple version gdb-1469) (Wed May  5 04:36:56 UTC 2010)
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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 :)