[Bug c++/81408] Lots of new -Wunsafe-loop-optimizations warnings with 7 compared to 6

[jak@jak-linux.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81408

--- Comment #1 from Julian Andres Klode <jak@jak-linux.org> ---
Created attachment 41727
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41727&action=edit
preprocessed source of a.cc