[Bug c++/66211] [5/6 Regression] Rvalue conversion in ternary operator causes internal compiler error

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66211

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Perhaps just guard this particular match.pd pattern with GIMPLE guard for now
(until the delayed C++ folding is committed)?