[Bug c++/64410] gcc 25% slower than clang 3.5 for adding complex numbers

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64410

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 34400
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34400&action=edit
update-address-taken fix