- replaces fix in 066df0d218
- Check if _LIBCPP_VECTOR is defined for vector_delete.
This is defined in libc++'s headers which Apple is using
instead of libstdc++
- replaces fix in 066df0d218
- Check if _LIBCPP_VECTOR is defined for vector_delete.
This is defined in libc++'s headers which Apple is using
instead of libstdc++