[Bug tree-optimization/109945] Escape analysis hates copy elision: different result with -O1 vs -O2

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109945

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note to make it fail at -O2 and above is simple just add [[gnu::noipa]] to make
definition like this:
[[gnu::noipa]]
Widget make() { return Widget(); }