Support Tensor source for x.set_(storage, offset, size, strides)
This is convenient for cases where we don't have Storage bound
correctly (e.g., meta tensors). It is also consistent with a universe
where we get rid of storages, although arguably this is never
gonna happen.
Signed-off-by: Edward Z. Yang <ezyangfb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/77007
Approved by: https://github.com/ngimel
