[Bug c++/65945] C++ alignment of nullptr_t is 1 and might cause unaligned stores to the frame

[foom at fuhm dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65945

--- Comment #11 from James Y Knight <foom at fuhm dot net> ---
As far as I can tell, the C++ ABI discussion,
http://comments.gmane.org/gmane.comp.lang.c++.abi/265
concluded that alignof(nullptr_t) should be alignof(void*) already.

Any chance this change can be made and backported?