Compile fails using valarray on 3.4.0 but not 3.3.2

[dank@kegel.com]

Steven T. Hatton wrote:
> GCC remains bulletproof.  I've never encountered a problem with GCC that
was
> due to a flaw in the product.  After 7 years of frequent use.

I've encountered numerous problems over the years, probably because I'm
dealing with lesser-known targets, and partly because I'm actually running
the regression tests to *look* for trouble.
I never hit a showstopper, but I did have to yelp for help quite a few times.
- Dan