From 6a749b75dc6d0c274b52f22a189699ccbc9f26f2 Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Wed, 17 Apr 2024 10:48:58 +0200
Subject: [PATCH] Update testclass.cpp

---
 test/testclass.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/testclass.cpp b/test/testclass.cpp
index c9dde77fae5..6f37f0c3c92 100644
--- a/test/testclass.cpp
+++ b/test/testclass.cpp
@@ -8951,6 +8951,10 @@ class TestClass : public TestFixture {
                                "    std::string f(std::string s) { return s; }\n"
                                "};\n");
         ASSERT_EQUALS("", errout_str());
+
+        checkReturnByReference("struct S { S(); };\n" // #12620
+                               "S::S() = delete;\n");
+        ASSERT_EQUALS("", errout_str()); // don't crash
     }
 };