Internals: Fix redundant edges in V3Trace (verilator#5939). No functional change intended..

Signed-off-by: Ryszard Rozak <[email protected]>

Author: RRozak

src/V3Trace.cpp

@@ -755,6 +755,7 @@ class TraceVisitor final : public VNVisitor {
     void createTraceFunctions() {
         // Detect and remove duplicate values
         detectDuplicates();
+        m_graph.removeRedundantEdgesMax(&V3GraphEdge::followAlwaysTrue);
 
         // Simplify & optimize the graph
         if (dumpGraphLevel() >= 6) m_graph.dumpDotFilePrefixed("trace_pre");