[Bug c/111509] Floating point exception with '-O3 -fno-dce -fno-inline-small-functions -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse'

[19373742 at buaa dot edu.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111509

--- Comment #1 from CTC <19373742 at buaa dot edu.cn> ---
Created attachment 55955
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55955&action=edit
The compiler output