c++/9847: [3.4 regression] ICE on :?-operator with double class definition in expand_expr

[Wolfgang Bangerth]

> Why is this listed as 3.4 regression? I get "confused by earlier errors" on
> 3.3, which means ICE if compiled with self-check. I think it's a 3.3/3.4
> regression, on error recovery.

Good question. You're right in any case, and I changed the synopsis.

W.

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Wolfgang Bangerth              email:            bangerth@ices.utexas.edu
                               www: http://www.ices.utexas.edu/~bangerth/