[Bug c++/59500] Bogus maybe-uninitialized warning due to optimizations

[luto at mit dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59500

--- Comment #4 from Andy Lutomirski <luto at mit dot edu> ---
Created attachment 33485
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33485&action=edit
Output from g++ -O2 -Wall -fdump-tree-all-all-lineno pr59500.cc