[Bug c++/102607] [modules] option -g results in undefined reference to `typeinfo for type`

[johelegp at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102607

--- Comment #1 from Johel Ernesto Guerrero Peña <johelegp at gmail dot com> ---
A workaround is to define `B`'s destructor as
`constexpr virtual ~B() { }`.