Andreas Schwab wrote:

> Try -Wextra.

Ah thanks!  I have already lost time several times due to this
almost invisible mistake and I didn't know -Wextra would catch it.
However, it seems to only work for the C compiler, not for C++.

(Using GCC 3.4.4)

(Oops, sorry Andreas, I actually meant to only send the message
to the list)

jlh