(): Linking has failed
 (): lld-link: error: duplicate symbol: std::__throw_bad_alloc()
 (): >>> defined at Core.a(heap.o)
 (): >>> defined at libc++.a(new.cpp.obj)
 (): 
 (): lld-link: error: duplicate symbol: operator new(unsigned long long)
 (): >>> defined at Core.a(heap.o)
 (): >>> defined at libc++.a(new.cpp.obj)
  ...