https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69879
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> --- N.B. the new patterns your patch adds to the gnu.ver script need to use '[jmy]' instead of 'm' for the size_t parameters, e.g. __default_operator_new_throw[jmy] Otherwise they will only match targets where size_t is unsigned long.