[Bug c++/86953] [6/7/8/9 Regression] compiler crashes with constexpr operator== and specific struct (cxx_eval_bit_field_ref, at cp/constexpr.c:2704)

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86953

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r230365 -- Merge C++ delayed folding branch..