Fixed #7583 (Defect: False positive '(error) Reference to temporary returned')

lib/checkautovariables.cpp

@@ -482,8 +482,13 @@ void CheckAutoVariables::returnReference()
 
                 // Skip over lambdas
                 tok2 = skipLambda(tok2);
+                if (!tok2)
+                    break;
 
-                if (!tok2 || tok2->str() != "return")
+                if (tok2->str() == "(")
+                    tok2 = tok2->link();
+
+                if (tok2->str() != "return")
                     continue;
 
                 // return..

test/testautovariables.cpp

@@ -1048,6 +1048,12 @@ private:
               "return s_var;\n"
               "}");
         ASSERT_EQUALS("", errout.str());
+
+        // #7583
+        check("Command& foo() {\n"
+              "  return f([]() -> int { return 1; });\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void returnReferenceInnerScope() {