https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110556
--- Comment #2 from CTC <19373742 at buaa dot edu.cn> --- The reduced sequence: -O3 -fno-inline-small-functions -fno-tree-fre -fno-delete-dead-exceptions -fexpensive-optimizations -fipa-pure-const -fipa-sra -fthread-jumps -ftree-dce -ftree-dominator-opts -ftree-forwprop -ftree-pre -ftree-tail-merge -fnon-call-exceptions
