[PATCH,libstdc++ testsuite] Fix hyperg failures

[Jonathan Wakely]

On 07/12/17 13:13 -0500, David Edelsohn wrote:
>When the testcases were regenerated due to PR libstdc++/PR66689,
>-ffp-contract=off was omitted from (at least) the hyperg
>check_value.cc testcases, causing runtime regression.  This patch
>restores the dg-options directive.

Ah yes, good catch.

We might also need this for x86:

// { dg-additional-options "-ffloat-store" { target { m68*-*-* || ia32 } } }


>This returns the libstdc++ testsuite to all passing on AIX.
>
>Bootstrapped on powerpc-ibm-aix7.2.0.0
>
>Okay?

OK, thanks.