[Bug libstdc++/90295] Please define ~exception_ptr inline

[rafael at espindo dot la via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90295

--- Comment #5 from Rafael Avila de Espindola <rafael at espindo dot la> ---
> Fixed for GCC 11, and not plausible to backport.

Thank you so much! Looking forward to GCC 11.