[PATCH v2] libstdc++: Make certain exceptions transaction_safe.

[Torvald Riegel]

On Thu, 2016-01-21 at 18:12 +0000, Pedro Alves wrote:
> On 01/21/2016 06:06 PM, Mike Stump wrote:
> > On Jan 21, 2016, at 9:29 AM, Dominique d'Humières <dominiq@lps.ens.fr> wrote:
> >> // { dg-do run { target { ! { *-*-darwin* powerpc-ibm-aix* } } } }
> > 
> > A comment to hint that this has something to do with weak undefined would be nice.
> > 
> 
> Or come up with some new "dg-require-effective-target weakref-whatnot", making it
> self-documenting.
> 

It's just one test that needs this right now.  If there should be more
in the future, I agree that a dg-require-... might be nicer.