[libcxx] Attempt to fix __throw_future_error in C++03 

Hi Marshall,

Could you please test this patch and see if you run into the same linker errors we talked about?
I can't reproduce on linux or OS X.

Hopefully you can't find any problems and we can fix the C++03 bot.

Reviewers: mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D13337

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@249192 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed