pytorch

091537a7 - [JIT][1.6] Shape analysis fixes. (#40716)

[JIT][1.6] Shape analysis fixes. (#40716) * [JIT] Update type of the unsqueeze's output in shape analysis. * [JIT] Fix shape analysis for aten::masked_select. The reference says that this op always returns a 1-D tensor, even if the input and the mask are 0-D.