asm_stack_check  1921 lj_asm.c           asm_stack_check(as, as->topslot, irp, allow & RSET_GPR, exitno);
asm_stack_check  1994 lj_asm.c           asm_stack_check(as, as->topslot, NULL, as->freeset & RSET_GPR, snapno);