https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88739
--- Comment #13 from John Dong <dongjianqiang2 at huawei dot com> --- (In reply to John Dong from comment #12) > Created attachment 45379 [details] > temp patch for Bug 88739 > > I tried to fix this bug with attached patch, but we not sure if > BIT_FIELD_REF ((unsigned:30)var, 16, 0) would appear in another situation, > unless we can make sure it will trigger the wrong input when expanding. > please advise. sorry, unless we can make sure it will not trigger the wrong input when expanding.