Update testvalueflow.cpp

Author: chrchr-github

test/testvalueflow.cpp

@@ -7457,6 +7457,13 @@ class TestValueFlow : public TestFixture {
                "}";
         ASSERT_EQUALS(true, testValueOfX(code, 4U, 100,  ValueFlow::Value::ValueType::BUFFER_SIZE));
 
+        code = "struct S {};\n"
+               "void* f() {\n"
+               "  void* x = new S();\n"
+               "  return x;\n"
+               "}";
+        TODO_ASSERT_EQUALS(true, false, testValueOfX(code, 4U, 1,  ValueFlow::Value::ValueType::BUFFER_SIZE));
+
         settings = settingsOld;
     }