CodeQL library for C/C++
codeql/cpp-all 0.4.0-dev (changelog, source)
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Member predicate DataFlow::Configuration::isAdditionalFlowStep

Holds if data may flow from node1 to node2 in addition to the normal data-flow steps. This step is only applicable in state1 and updates the flow state to state2.

predicate isAdditionalFlowStep(Node node1, FlowState state1, Node node2, FlowState state2)