[Bug c++/84436] [8/9 Regression] Missed optimization with switch on enum constants returning the same value

[romain.geissler at amadeus dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84436

--- Comment #13 from Romain Geissler <romain.geissler at amadeus dot com> ---
Apparently the clang-tlbgen failures started with r265241. Checking if it still
happens on gcc trunk with r265463 reverted.