https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94573
--- Comment #6 from vfdff <zhongyunde at huawei dot com> --- Created attachment 48267 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48267&action=edit only get the adjust_bit_pos change base on the adjust_bit_pos change only, I test it on the gcc 9, and find it take effect.