pytorch

06c734d8 - Generalize `sum_intlist` and `prod_intlist`, clean up dimensionality functions (#50495)

Generalize `sum_intlist` and `prod_intlist`, clean up dimensionality functions (#50495) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/50495 Test Plan: ``` buck test mode/opt //caffe2/c10:c10_test_0 ``` Reviewed By: ngimel Differential Revision: D25902853 fbshipit-source-id: a7d30251ca443df57dd8005ed77dba7b2f1002d4