Internals: No need for variable name on immediate visitors. No functional change intended.

src/V3Randomize.cpp

@@ -254,7 +254,7 @@ void V3Randomize::randomizeNetlist(AstNetlist* nodep) {
     UINFO(2, __FUNCTION__ << ": " << endl);
     {
         RandomizeMarkVisitor markVisitor{nodep};
-        RandomizeVisitor visitor{nodep};
+        RandomizeVisitor{nodep};
     }
     V3Global::dumpCheckGlobalTree("randomize", 0, v3Global.opt.dumpTreeLevel(__FILE__) >= 3);
 }