Striding for lists Part 2 (#49352)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49352
In this PR, we replace all definitions of slice to take None parameters for the start, end, and step. This will simplify the compiler logic
Test Plan:
test_jit test cases
Imported from OSS
Reviewed By: jamesr66a, nikithamalgifb
Differential Revision: D25929903
fbshipit-source-id: 5bfc6bad514a8aafbef2dacc706f95f867fe85f1
