[Bug lto/77821] C++ binary size increase or LTO not working?

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77821

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
If you force (not sure what's the default on your target) -fno-fat-lto-objects
then you'll notice if LTO is used at link time.