noise from gcc.dg/torture/fp-convert tests

[Joseph S. Myers]

On Tue, 12 Sep 2006, Eric Christopher wrote:

> So, these are xfailed, but still produce quite a bit of noise on both
> x86_64-darwin and x86_64-linux since they fail to produce a working executable
> and then xfail. Should we move them to skip or link only and xfail them. With
> link only they do manage to be quiet in the logs and we'll still notice if
> they start linking correctly and can move them to run then.
> 
> thoughts? pre-approved? :)

Add a means to XFAIL the link of an execute test, if such a means doesn't 
already exist in the testsuite infrastructure.

-- 
Joseph S. Myers
joseph@codesourcery.com