https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116814
--- Comment #1 from Li Pan <pan2.li at intel dot com> --- Ack, thanks for reporting this. Should be introduced by this commit. https://github.com/gcc-mirror/gcc/commit/f2476a2649e9975d454d179145574c21d8218aee I am preparing a fix for this.