[Bug c++/78551] [5/6/7 Regression] Internal compiler error with constexpr initialization of union

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78551

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Reduced testcase:
struct A { union { long s; char d[1]; }; constexpr A (char x) : s(0) { d[0] =
x; } };
struct B { A b[2]; };
B c { 'a', 'b' };