Fix PropertySet re-use in BasePassManager.run (backport #11787)
#11863
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Since the genericised `PassManager`, the `PropertySet` used in the `WorkflowState` of a pass-manager pipeline was taken directly from the internal state of the `BasePassManager`. This is set to a clean `PropertySet` during the pass-manager initialisation (similar to how it was in the previous version), but is not reset on subsequent runs. This didn't cause problems in the old form because the "iterator" over tasks in the old form was a new `RunningPassManager` instance. Failing to generate a clean property set could lead to passes getting fed old analysis data when the pass manager was used more than once, leading to miscompilations. (cherry picked from commit 9c1accb)
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Changelog: Bugfix
jakelishman
approved these changes
Feb 22, 2024
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This is an automatic backport of pull request #11787 done by Mergify.
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