Gentoo's Bugzilla –
Attachment 582062 Details for
Bug 689366sys-apps/coreutils-8.31 USE=static - libc.a(malloc.o): relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol `_dl_tunable_set_mallopt_check' which may bind externally can not be used when making a shared object; recompile with -fPIC