Bug#664194: gcc exits successfully when given some unknown options!

[Ian Jackson <Ian.Jackson@eu.citrix.com>]

Package: gcc-4.4
Version: 4.4.5-8

$ /usr/bin/gcc-4.4 -c -pdie-you-bastard -x c /dev/null 
gcc-4.4: unrecognized option '-pdie-you-bastard'
$ echo $?
0
$

Ian.