Internals: More const. No functional change intended.

src/V3Inline.cpp

@@ -53,9 +53,9 @@ private:
     //  AstNodeModule::user2()  // CIL_*. Allowed to automatically inline module
     //  AstNodeModule::user3()  // int. Number of cells referencing this module
     //  AstNodeModule::user4()  // int. Statements in module
-    AstUser2InUse m_inuser2;
-    AstUser3InUse m_inuser3;
-    AstUser4InUse m_inuser4;
+    const AstUser2InUse m_inuser2;
+    const AstUser3InUse m_inuser3;
+    const AstUser4InUse m_inuser4;
 
     // For the user2 field:
     enum : uint8_t {
@@ -493,11 +493,10 @@ private:
     //                          // is a direct connect to
     //   AstVar::user3()        // bool    Don't alias the user2, keep it as signal
     //   AstCell::user4         // AstCell* of the created clone
-
-    AstUser2InUse m_inuser2;
-    AstUser3InUse m_inuser3;
-    AstUser4InUse m_inuser4;
-    AstUser5InUse m_inuser5;
+    const AstUser2InUse m_inuser2;
+    const AstUser3InUse m_inuser3;
+    const AstUser4InUse m_inuser4;
+    const AstUser5InUse m_inuser5;
 
     // STATE
     AstNodeModule* m_modp = nullptr;  // Current module
@@ -625,8 +624,7 @@ class InlineIntfRefVisitor final : public AstNVisitor {
 private:
     // NODE STATE
     //   AstVar::user1p()   // AstCell which this Var points to
-
-    AstUser2InUse m_inuser2;
+    const AstUser2InUse m_inuser2;
 
     string m_scope;  // Scope name
 
@@ -710,8 +708,8 @@ public:
 
 void V3Inline::inlineAll(AstNetlist* nodep) {
     UINFO(2, __FUNCTION__ << ": " << endl);
-    AstUser1InUse m_inuser1;  // output of InlineMarkVisitor,
-                              // input to InlineVisitor.
+    const AstUser1InUse m_inuser1;  // output of InlineMarkVisitor,
+                                    // input to InlineVisitor.
     // Scoped to clean up temp userN's
     { InlineMarkVisitor mvisitor{nodep}; }
     { InlineVisitor visitor{nodep}; }