https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68991
--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> --- I don't have a small testcase. I am testing https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=a93baf9afe49e059c9a7746608bdf7403fbaca42 to see if it fixes my problem.
