[Bug target/106827] operator++ doesn't work for enum -O2 -mcpu=cortex-m0plus

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106827

Andreas Schwab <sch...@linux-m68k.org> changed:

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

--- Comment #5 from Andreas Schwab <sch...@linux-m68k.org> ---
The operator++ function is expected to modify the argument in place, and needs
to take a reference to it.