https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65131
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Andrew Pinski from comment #1) > The ABI says for all 32bit ABIs you cannot allocate more than half of the > address space. X32 can allocate more than 2GB via malloc and ILP32 on ARM64 may also be able to.