Internals: More const. No functional change intended.

src/V3Delayed.cpp

@@ -81,11 +81,11 @@ private:
     // Cleared each scope/active:
     //  AstAssignDly::user3()   -> AstVarScope*.  __Vdlyvset__ created for this assign
     //  AstAlwaysPost::user3()  -> AstVarScope*.  __Vdlyvset__ last referenced in IF
-    AstUser1InUse m_inuser1;
-    AstUser2InUse m_inuser2;
-    AstUser3InUse m_inuser3;
-    AstUser4InUse m_inuser4;
-    AstUser5InUse m_inuser5;
+    const AstUser1InUse m_inuser1;
+    const AstUser2InUse m_inuser2;
+    const AstUser3InUse m_inuser3;
+    const AstUser4InUse m_inuser4;
+    const AstUser5InUse m_inuser5;
 
     // STATE
     AstActive* m_activep = nullptr;  // Current activate
@@ -512,6 +512,6 @@ public:
 
 void V3Delayed::delayedAll(AstNetlist* nodep) {
     UINFO(2, __FUNCTION__ << ": " << endl);
-    { DelayedVisitor visitor{nodep}; }  // Destruct before checking
+    { const DelayedVisitor visitor{nodep}; }  // Destruct before checking
     V3Global::dumpCheckGlobalTree("delayed", 0, v3Global.opt.dumpTreeLevel(__FILE__) >= 3);
 }