From b624c9c2a01f565c645f7092aa5b1d4938a26e33 Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Mon, 8 Apr 2024 19:39:18 +0200
Subject: [PATCH] Update valueflow.cpp

---
 lib/valueflow.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/valueflow.cpp b/lib/valueflow.cpp
index 10933187664..ea6370d91d7 100644
--- a/lib/valueflow.cpp
+++ b/lib/valueflow.cpp
@@ -1120,8 +1120,12 @@ static size_t accumulateStructMembers(const Scope* scope, F f)
             const MathLib::bigint dim = std::accumulate(var.dimensions().cbegin(), var.dimensions().cend(), 1LL, [](MathLib::bigint i1, const Dimension& dim) {
                 return i1 * dim.num;
             });
-            const auto ret = anonScopes.insert(var.nameToken()->scope());
-            if (ret.second)
+            if (var.nameToken()->scope() != scope && var.nameToken()->scope()->definedType) { // anonymous union
+                const auto ret = anonScopes.insert(var.nameToken()->scope());
+                if (ret.second)
+                    total = f(total, *vt, dim);
+            }
+            else
                 total = f(total, *vt, dim);
         }
         if (total == 0)