[Bug c/89888] [7/8/9 Regression] When switch controlling expression is promoted from type narrower than int, GCC does not diagnose identical cases

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89888

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Guess this started with r84947 aka
https://gcc.gnu.org/ml/gcc-patches/2004-07/msg01859.html
So, if we want to error here, we should move what check_case_bounds does
(except for the fold + convert) from c_add_case_labels to start of
c_do_switch_warnings.