unused private function: fixed false positive (ticket: 129)

src/checkclass.cpp

@@ -545,7 +545,7 @@ void CheckClass::privateFunctions()
 
             // Check member class functions to see what functions are used..
             if ((inclass && indent_level == 1 && Token::Match(ftok, ") const| {")) ||
-                (Token::Match(ftok, (classname + " :: %var% (").c_str())))
+                (Token::Match(ftok, (classname + " :: ~| %var% (").c_str())))
             {
                 while (ftok && ftok->str() != ")")
                     ftok = ftok->next();

test/testunusedprivfunc.cpp

@@ -37,6 +37,7 @@ private:
     {
         TEST_CASE(test1);
         TEST_CASE(test2);
+        TEST_CASE(test3);
 
         // [ 2236547 ] False positive --style unused function, called via pointer
         TEST_CASE(func_pointer);
@@ -101,6 +102,22 @@ private:
     }
 
 
+    void test3()
+    {
+        check("class A {\n"
+              "public:\n"
+              "    A() { }\n"
+              "    ~A();\n"
+              "private:\n"
+              "    void B() { }\n"
+              "};\n"
+              "\n"
+              "A::~A()\n"
+              "{ B(); }\n");
+        ASSERT_EQUALS(std::string(""), errout.str());
+    }
+
+