[Bug ipa/110334] [13/14 Regresssion] unused functions not eliminated before LTO streaming

[hubicka at ucw dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110334

--- Comment #22 from Jan Hubicka <hubicka at ucw dot cz> ---
I will cook up the patch to keep multiple variants of nodes pre-inline
and we will see how much that affects compile time & how hard it will be
to get unit size esitmates right.