[Bug tree-optimization/103733] Missed optimization: defaulted op== for trivially comparable types worse than memcmp

[jengelh at inai dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103733

--- Comment #4 from Jan Engelhardt <jengelh at inai dot de> ---
Is there a way to convey that it is safe to access every and all parts of S,
e.g. by initializing S::b at construction time?