Ervin D. Walter writes ("gs 3.53 and up"):
...
> Now, the wierd parts. First, these errors don't occur every time, and
> they don't occur in the same place every time. Second, the exact save
> .ps file sent through gs 2.whatever or gs >= 3.53 *compiled with
> optimizations turned off* works perfectly.
...
A new GCC was released by the FSF recently. One of the reasons they
gave was that it could miscompile ghostscript. ITYSBT.
Ian.