Fixed #3806 (Possible leak in public function. The pointer '' is not deallocated before it is allocated)

lib/checkmemoryleak.cpp

@@ -2450,7 +2450,7 @@ void CheckMemoryLeakInClass::checkPublicFunctions(const Scope *scope, const Toke
     std::list<Function>::const_iterator func;
 
     for (func = scope->functionList.begin(); func != scope->functionList.end(); ++func) {
-        if (func->type != Function::eConstructor &&
+        if ((func->type == Function::eFunction || func->type == Function::eOperatorEqual) &&
             func->access == Public && func->hasBody) {
             const Token *tok2 = func->token;
             while (tok2->str() != "{")

test/testmemleak.cpp

@@ -3840,6 +3840,7 @@ private:
         TEST_CASE(class21); // ticket #2517
         TEST_CASE(class22); // ticket #3012
         TEST_CASE(class23); // ticket #3303
+        TEST_CASE(class24); // ticket #3806 - false positive in copy constructor
 
         TEST_CASE(staticvar);
 
@@ -4742,6 +4743,17 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void class24() { // ticket #3806 - false positive in copy constructor
+        check("class Fred {\n"
+              "private:\n"
+              "    int * a;\n"
+              "public:\n"
+              "    Fred(const Fred &fred) { a = new int; }\n"
+              "    ~Fred() { delete a; }\n"
+              "};\n");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void staticvar() {
         check("class A\n"
               "{\n"