From f5528ec3fcb68defd4e86491270513f07c138a9a Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 16 Jul 2024 12:02:16 +0200
Subject: [PATCH 1/3] Update symboldatabase.cpp

---
 lib/symboldatabase.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/symboldatabase.cpp b/lib/symboldatabase.cpp
index 40c18bdbff6..0ec65c466ca 100644
--- a/lib/symboldatabase.cpp
+++ b/lib/symboldatabase.cpp
@@ -3066,7 +3066,7 @@ static bool checkReturns(const Function* function, bool unknown, bool emptyEnabl
 {
     if (!function)
         return false;
-    if (function->type != Function::eFunction && function->type != Function::eOperatorEqual)
+    if (function->type != Function::eFunction && function->type != Function::eOperatorEqual && function->type != Function::eLambda)
         return false;
     const Token* defStart = function->retDef;
     if (!defStart)

From 9ef29a20ae405a1a69e85ef9af57b6a35fbca3ed Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 16 Jul 2024 12:03:26 +0200
Subject: [PATCH 2/3] Update testother.cpp

---
 test/testother.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/testother.cpp b/test/testother.cpp
index 48e9aedecc9..6f338f4d6db 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -3636,6 +3636,16 @@ class TestOther : public TestFixture {
               "    g(r[0] * 2);\n"
               "}\n");
         ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'r' can be declared as reference to const\n", errout_str());
+
+        check("std::iostream& get();\n" // #12940
+              "std::iostream & Fun() {\n"
+              "    auto lam = []() -> std::iostream& {\n"
+              "        std::iostream& ios = get();\n"
+              "        return ios;\n"
+              "    };\n"
+              "    return lam();\n"
+              "}\n");
+        ASSERT_EQUALS("", errout_str());
     }
 
     void constParameterCallback() {

From 8850de3c9351831a2932becf2dc05d99ab6fbaa9 Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 16 Jul 2024 14:15:49 +0200
Subject: [PATCH 3/3] Format [skip ci]

---
 test/testother.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testother.cpp b/test/testother.cpp
index 6f338f4d6db..52b89b622ee 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -3638,7 +3638,7 @@ class TestOther : public TestFixture {
         ASSERT_EQUALS("[test.cpp:6]: (style) Variable 'r' can be declared as reference to const\n", errout_str());
 
         check("std::iostream& get();\n" // #12940
-              "std::iostream & Fun() {\n"
+              "std::iostream& Fun() {\n"
               "    auto lam = []() -> std::iostream& {\n"
               "        std::iostream& ios = get();\n"
               "        return ios;\n"