[Bug rtl-optimization/79856] rtl_verify_edges: use internal_error instead of error

[roland.illig at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79856

Roland Illig <roland.illig at gmx dot de> changed:

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

--- Comment #10 from Roland Illig <roland.illig at gmx dot de> ---
Fine.

Just FYI, the German translation already has all internal errors copied
verbatimly so they are not translated.