[patch,fortran] Add test to gfortran.dg (gave an ICE with -ftree-optimize) (PR30092)

[Richard Guenther]

On 12/9/06, Tobias Burnus <burnus@net-b.de> wrote:
> This test case makes probably only sense with -ftree-optimize one SSE
> systems. Assuming that Tobias S.'s patch -ftree-optimize will be checked
> in, I left out any dg-options.
>
> When gimple was changed, this broke the sqrt(:) vectorization on AMD64.
>
> As suggested by Thomas:
> "could write this into a test case for gfortran.dg? If it broke once, we
> should at make sure it doesn't break again."

Of course it broke gcc.dg/vect/no-math-errno-vect-pow-1.c, so we already
noticed (should have at least ;)).

Richard.
>
>
>