aff_chunk_t *c = XMALLOCF(aff_chunk_t, color_affinity, env->n_regs);
c->n = NEW_ARR_F(const ir_node *, 0);
c->interfere = NEW_ARR_F(const ir_node *, 0);
aff_chunk_t *c = XMALLOCF(aff_chunk_t, color_affinity, env->n_regs);
c->n = NEW_ARR_F(const ir_node *, 0);
c->interfere = NEW_ARR_F(const ir_node *, 0);