[PATCH RFC] do not throw in std::make_exception_ptr

[Jonathan Wakely]

On 28/07/16 10:20 +0300, Gleb Natapov wrote:
>[resent with hopefully correct libstdc++ mailing list address this time]
>
>Here is my attempt to fix
>https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68297. The resulting patch
>is a little bit long because I had to split <exception> and cxxabi.h
>include files. The former had to be split due to circular dependency
>that formed after including <typeinfo> in exception_ptr.h and the later
>is because of inability to include cxxabi.h in exception_ptr.h because
>it makes libstdc++/30586 to reappear again.
>
>Comments are welcome.

Thanks for the patch, it would be great to make this improvement.

Before I review the actual changes, do you have a GCC copyright
assignment, and if not would you be willing and able to sign one?

See https://gcc.gnu.org/contribute.html#legal for more details.