https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72762
--- Comment #2 from Fujii Hironori <fujii.hironori at gmail dot com> --- In GDB, this function is shown as: > <lambda(auto:1, auto:2&, auto:3&&)>::operator void (*)(int, int&, int&&)<int, > int, int>(void) const