[cherry-pick][-Wcompletion-handler] Fix a non-termination issue (#78380) #8082
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The Called-Once dataflow analysis could never terminate as a consequence of non-monotonic update on states. States of kind Escape can override states leading to non-monotonic update. This fix disallows the `Escape` state to override the `Reported` state. rdar://119671856 (cherry picked from commit 2a06850)
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The Called-Once dataflow analysis could never terminate as a consequence of non-monotonic update on states. States of kind Escape can override states leading to non-monotonic update.
This fix disallows the
Escapestate to override theReportedstate.rdar://119671856
(cherry picked from commit 2a06850)