Fix InverseCancellation
to run in classical blocks (backport #13454)
#13496
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Fix issue #13437.
Summary
The
InverseCancellation
pass cancels pairs of gates that are inverses of each other; it now behaves as expected when running inside classical blocks of a control flow.Details and comments
This PR fixed the bug reported in #13437 by adding the decorator
@control_flow.trivial_recurse
so that the pass can be iterated over all control-flow nodes.This is an automatic backport of pull request #13454 done by [Mergify](https://mergify.com).