lj_opt_fwd_wasnonnil  126 lj_iropt.h     LJ_FUNC int lj_opt_fwd_wasnonnil(jit_State *J, IROpT loadop, IRRef xref);
lj_opt_fwd_wasnonnil 1262 lj_record.c        } else if (!lj_opt_fwd_wasnonnil(J, loadop, tref_ref(xref))) {