Bug#202746: gcc: -O2 causes bogutil to segfault

[Clint Adams <schizo@debian.org>]

> > - can you identify the file beeing miscompiled?
> 
> No, I don't seem to be able to do that.  If I compile with -O1, it
> works.  If I compile with -O2, it segfaults.  If I compile all objects
> -O2 except the ones that seem to be relevant in the backtrace, it still
> segfaults.  (Also tried with various random .c files that didn't seem
> relevant).

I take that back.  If all files are compiled with -O2 except for
datastore_db.c (compiled with -O0), it works.