memory leaks: don't write errors for static member variables

src/checkmemoryleak.cpp

@@ -2058,6 +2058,12 @@ void CheckMemoryLeakInClass::parseClass(const Token *tok1, std::vector<const cha
         if (indentlevel > 0)
             continue;
 
+        // skip static variables..
+        if (Token::Match(tok, "static %type% * %var% ;"))
+        {
+            tok = tok->tokAt(4);
+        }
+
         // Declaring subclass.. recursive checking
         if (Token::Match(tok, "class %var% [{:]"))
         {

test/testmemleak.cpp

@@ -2410,6 +2410,8 @@ private:
         TEST_CASE(class10);
         TEST_CASE(class11);
 
+        TEST_CASE(staticvar);
+
         TEST_CASE(use);
 
         TEST_CASE(free_member_in_sub_func);
@@ -2628,6 +2630,23 @@ private:
     }
 
 
+    void staticvar()
+    {
+        check("class A\n"
+              "{\n"
+              "private:\n"
+              "    static int * p;\n"
+              "public:"
+              "    A()\n"
+              "    {\n"
+              "        if (!p)\n"
+              "            p = new int[100];\n"
+              "    }\n"
+              "};\n", true);
+        ASSERT_EQUALS("", errout.str());
+    }
+
+
     void use()
     {
         check("class A\n"