[Patch] Remove all uses of TARGET_FLT_EVAL_METHOD_NON_DEFAULT and poison it

[Joseph Myers]

On Thu, 22 Sep 2016, James Greenhalgh wrote:

> The relaxation isn't portable, and keeping it in place is tricky, so this
> patch removes it, and poisons TARGET_FLT_EVAL_METHOD_NON_DEFAULT in
> system.h to prevent future use.
> 
> Bootstrapped and tested on x86_64 with --enable-languages=all,ada,go,obj-c++
> with no issues.
> 
> OK?

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com