[Bug fortran/79854] diagnostics: gfc_conv_constant_to_tree should be gfc_internal_error

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79854

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |diagnostic
                 CC|                            |egallager at gcc dot gnu.org
           Severity|normal                      |trivial

--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Dominique d'Humieres from comment #1)
> AFAICT this internal error has never triggered. If someone can come with a
> test for it, this would be nice.

In the meantime, though, I think it'd make sense just to change it to an
internal error anyways (even without a testcase), for translation purposes