From 6c69210037d555241e1e356d97d7fcb5072506a0 Mon Sep 17 00:00:00 2001
From: Krzysztof Bieganski <kbieganski@antmicro.com>
Date: Wed, 10 Sep 2025 13:09:55 +0200
Subject: [PATCH] Fix multiple resolution of classes, broke recently (#6396)
 (#6410) (#6413)

Signed-off-by: Krzysztof Bieganski <kbieganski@antmicro.com>
---
 src/V3LinkDot.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/V3LinkDot.cpp b/src/V3LinkDot.cpp
index c192cea42..6b4ecb82d 100644
--- a/src/V3LinkDot.cpp
+++ b/src/V3LinkDot.cpp
@@ -1693,6 +1693,9 @@ class LinkDotFindVisitor final : public VNVisitor {
             VSymEnt* const impp = srcp->findIdFlat(nodep->name());
             if (!impp) {
                 nodep->v3error("Import object not found: " << nodep->prettyPkgNameQ());
+            } else if (nodep->resolvedClassp()) {
+                UASSERT_OBJ(nodep->resolvedClassp()->classOrPackageSkipp() == impp->nodep(), nodep,
+                            "Import should resolve to the same node");
             } else if (AstClass* const classp = VN_CAST(impp->nodep(), Class)) {
                 nodep->resolvedClassp(
                     new AstClassOrPackageRef{nodep->fileline(), classp->name(), classp, nullptr});