Fix a few issues on assert/double error/legacy constructor (#77966)
Fixes https://github.com/pytorch/pytorch/issues/77960, https://github.com/pytorch/pytorch/issues/77957, https://github.com/pytorch/pytorch/issues/77781
Pull Request resolved: https://github.com/pytorch/pytorch/pull/77966
Approved by: https://github.com/soulitzer, https://github.com/kulinseth
