[Bug middle-end/110281] wrong code with '-O3'

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110281

--- Comment #9 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 59538
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59538&action=edit
pr110281-attempted-reduction.c

Here's an attempted reduction. It needs to be checked for aliasing violations.