From 0eeb40b975170a4daaeddb19cae7b8576e0c1501 Mon Sep 17 00:00:00 2001
From: Arkadiusz Kozdra <akozdra@antmicro.com>
Date: Thu, 18 Aug 2022 00:08:43 +0200
Subject: [PATCH] Fix converting subclasses to string (#3552)

---
 src/V3Common.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/V3Common.cpp b/src/V3Common.cpp
index 0d5ca45f3..ad4ecaf6e 100644
--- a/src/V3Common.cpp
+++ b/src/V3Common.cpp
@@ -87,10 +87,10 @@ static void makeToStringMiddle(AstClass* nodep) {
         }
     }
     if (nodep->extendsp() && nodep->extendsp()->classp()->user1()) {
-        string stmt = "out += \"";
+        string stmt = "out += ";
         if (!comma.empty()) stmt += "\", \"+ ";
         // comma = ", ";  // Nothing further so not needed
-        stmt += nodep->extendsp()->dtypep()->nameProtect();
+        stmt += EmitCBaseVisitor::prefixNameProtect(nodep->extendsp()->dtypep());
         stmt += "::to_string_middle();\n";
         nodep->user1(true);  // So what we extend dumps this
         funcp->addStmtsp(new AstCStmt{nodep->fileline(), stmt});
@@ -104,13 +104,13 @@ static void makeToStringMiddle(AstClass* nodep) {
 
 void V3Common::commonAll() {
     UINFO(2, __FUNCTION__ << ": " << endl);
+    // NODE STATE
+    // Entire netlist:
+    //  AstClass::user1()     -> bool.  True if class needs to_string dumper
+    const VNUser1InUse m_inuser1;
     // Create common contents for each module
     for (AstNode* nodep = v3Global.rootp()->modulesp(); nodep; nodep = nodep->nextp()) {
         if (AstClass* const classp = VN_CAST(nodep, Class)) {
-            // NODE STATE
-            // Entire netlist:
-            //  AstClass::user1()     -> bool.  True if class needs to_string dumper
-            const VNUser1InUse m_inuser1;
             // Create ToString methods
             makeVlToString(classp);
             makeToString(classp);