printing correct dimension while indexing (#16495)
Summary:
applySelect does modify the tensor and removes the top most dimension which makes it complicated to track just using dim and need to use another parameter as real_dim to signify original dimension
fixes #16192
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16495
Differential Revision: D13897182
Pulled By: gchanan
fbshipit-source-id: 105581dbbff6b431cc8e2539a07e0058161e53a1
