[Bug c/58515] Loop optimized away when it should not

[manus at eiffel dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58515

Emmanuel Stapf <manus at eiffel dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Emmanuel Stapf <manus at eiffel dot com> ---
Sorry the test code was not the proper one I intended to use since it seems
legitimate that gcc optimizes this away due to the absence of side effects.