Bugs found via inspect tool

[Martin v. Loewis]

> I was just looking over the gcc package and decided to run it
> through a program from the AT&T toolchest called 'inspect'.  It's
> good at finding dumb programmer sorts of bugs.  FWIW, here's the
> list of things that inspect complains about.

Thanks for your bug report. Unfortunately, you did not say what code
base you were using; apparently, in the current development code, line
numbers have shifted.

To correct any of these problems, it would be helpful if you could
re-run this on current code, or mention what gcc version you've been
using.

Regards,
Martin