CodeQL library for C/C++
codeql/cpp-all 0.13.1 (changelog, source)
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Predicate storeStep

Holds if data can flow from node1 to node2 via an assignment to f. Thus, node2 references an object with a field f that contains the value of node1.

Import path

import semmle.code.cpp.ir.dataflow.internal.DataFlowPrivate
predicate storeStep(Node node1, ContentSet c, Node node2)