On Thu, 2020-07-30 at 11:23 +0100, Jonathan Wakely via Gcc-patches wrote:
> I recently wanted to use { dg-require-effective-target fenv } in a
> libstdc++ test, but it uses -std=gnu99 which is only valid for C.
>
> This allows C++ tests to use the fenv and fenv_exceptions
> effective-target keywords.
>
> gcc/testsuite/ChangeLog:
>
> * lib/target-supports.exp (check_effective_target_fenv): Use
> -std=gnu++11 instead of -std=gnu99 for C++ tests.
> (check_effective_target_fenv_exceptions): Likewise.
>
>
> I don't actually need to use the 'fenv' target now, but does this seem
> like a reasonable change anyway?
It seems reasonable to me. Selecting the right option automatically seems
better
than any of the alternatives.
jeff
