Comment 4 for bug 1610220

OK, the callee in question is:

std::__atomic_base<_IntTp>::__int_type std::__atomic_base<_IntTp>::load(std::memory_order) const [with _ITp = bool; std::__atomic_base<_IntTp>::__int_type = bool; std::memory_order = std::memory_order]/139 (std::__atomic_base<_IntTp>::__int_type std::__atomic_base<_IntTp>::load(std::memory_order) const [with _ITp = bool; std::__atomic_base<_IntTp>::__int_type = bool; std::memory_order = std::memory_order]) @0x7ffff6625e60
  Type: function
  Visibility: external public comdat visibility_specified
  References:
  Referring:
  First run: 0
  Function flags:
  Called by:
  Calls:

and it is indeed not defined. So it seems C++ FE thinks that the function is unused and never does cgraph_finalize?

Honza