https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92522
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu.org --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Isn't this undefined since you require 'test' to be constructed before 'sample' but the order of global CTORs is undefined between translation units? IIRC there's a duplicate bugreport with further suggetions as to how to try to mimic non-LTO behavior here (sort CTORs in "link order").