tree b2e2179380b7e37f9e61d201780c61945fbf1b38
parent 3cd3127e32ec3f6761573806c8ec07d7733c434a
author Sterling Augustine <saugustine@google.com> 1612551577 -0800
committer Copybara-Service <copybara-worker@google.com> 1612821867 -0800

Various minor fixes for python 3

Switch StdTuple printer from python 2-style "next" to python 3.

Nested iteration changed enough to make the original bitset iteration
code a bit trickier than it needs to be, so unnest.

The end node of a map iterator is sometimes hard to detect in isolation,
don't fail in that case.

Differential Revision: https://reviews.llvm.org/D96167

GitOrigin-RevId: a34b8b879e345397880c1f9f8de4c294dd0b370c