https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63890
mrs at gcc dot gnu.org <mrs at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mrs at gcc dot gnu.org --- Comment #8 from mrs at gcc dot gnu.org <mrs at gcc dot gnu.org> --- Yes, the stack must be suitably aligned before the call to mcount.