https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117992
--- Comment #11 from Icenowy Zheng <uwu at icenowy dot me> --- Checked gcc -v, there's really enable-default-pie, and in the output of "gcc main.c -fhardened -O2 -flto -v", the COLLECT_GCC_OPTIONS lists really include "-pie". Thus the explanation by Ruoyao looks reasonable. Thanks.
