patch to fix PR79058

[Vladimir Makarov]

On 01/17/2017 04:57 PM, Christophe Lyon wrote:
> Hi Vladimir,
>
> On 17 January 2017 at 17:14, Vladimir Makarov <vmakarov@redhat.com> wrote:
>> The following patch fixes
>>
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79058
>>
>> The patch was successfully bootstrapped and tested on x86-64.
>>
>> Committed as rev. 244535.
>>
>>
> The new testcase fails to compile on arm*-linux-gnueabihf configurations
> when using -mthumb (either via runtestflags or configuring gcc
> --with-mode=thumb)
> because "sorry, unimplemented: Thumb-1 hard-float VFP ABI"
>
> A few other tests suffer from the same problem though, and the guard is
> tricky to get right :-(
Yes, it is very tricky.

So how can I fix the failure.  Should I add 'dg-require-effective-target 
arm_arch_v4t_ok' to the test?