[ORC] Clear stale ElemToPendingSN entries in WaitingOnGraph. #169747
Merged
+64
−4
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WaitingOnGraph::processReadyOrFailed was not clearing stale entries from the ElemToPendingSN map. If symbols were removed from the ExecutionSession and then re-added this could lead to dependencies on the stale entries, triggering a use-after-free bug.
#169135