[Bug libstdc++/58938] [4.7/4.8/4.9 Regression] std::exception_ptr is missing on architectures with incomplete atomic int support

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58938

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |jwakely.gcc at gmail dot com

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Was included conditionally before r181869 too, but the condition was different,
checked _GLIBCXX_ATOMIC_BUILTINS_4 instead of ATOMIC_INT_LOCK_FREE > 1.