[Bug tree-optimization/87613] Non-reachable default required in switch statement to get optimal code

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87613

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
                 CC|                            |mliska at suse dot cz
          Component|c++                         |tree-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
The optimization is fixed, the warning is spurious but it cannot be avoided
if you do not either add an unreachable return or mark the unreachable
path with __builtin_unreachable ().