https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63224
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |manu at gcc dot gnu.org --- Comment #3 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- I'm pretty sure this is the folding of && to &. Could you diff the dump files of uninit with -O2 and -Os?