C++: Fix QLDoc.

MathiasVP · MathiasVP · commit 43adfe88936d · 2022-12-02T11:30:46.000Z
diff --git a/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll b/cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
@@ -327,7 +327,10 @@ private string toExprString(Node n) {
   result = n.asIndirectExpr().toString() + " indirection"
 }
 
-class Node0 extends Node, TNode0 {
+/**
+ * A class that lifts pre-SSA dataflow nodes to regular dataflow nodes.
+ */
+private class Node0 extends Node, TNode0 {
   Node0Impl node;
 
   Node0() { this = TNode0(node) }
