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

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

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

--- Comment #33 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is now https://cplusplus.github.io/CWG/issues/2868.html