https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83878
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2018-01-22 Ever confirmed|0 |1 --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- I guess it's caused by some base or a different constructor which is probably inlined there. Do you use -O2? Can you please attach preprocessed source file?