Based on the provided code and the identified vulnerability on line 7, here are five possible patches to address the CWE-476 (NULL Pointer Dereference) issue:

Patch 1:
```c
if (func_obj_p == NULL)
{
  return ecma_raise_type_error (ECMA_ERR_FUNCTION_OBJECT_IS_NULL);
}
JERRY_ASSERT (!ecma_is_lexical_environment (func_obj_p));
```

Patch 2:
```c
if (func_obj_p == NULL || ecma_is_lexical_environment (func_obj_p))
{
  return ecma_raise_type_error (ECMA_ERR_INVALID_FUNCTION_OBJECT);
}
```

Patch 3:
```c
ecma_value_t result = ECMA_VALUE_ERROR;
if (func_obj_p != NULL && !ecma_is_lexical_environment (func_obj_p))
{
  // Rest of the function body
}
else
{
  result = ecma_raise_type_error (ECMA_ERR_INVALID_FUNCTION_OBJECT);
}
return result;
```

Patch 4:
```c
if (JERRY_UNLIKELY (func_obj_p == NULL))
{
  return ecma_raise_type_error (ECMA_ERR_FUNCTION_OBJECT_IS_NULL);
}
if (JERRY_UNLIKELY (ecma_is_lexical_environment (func_obj_p)))
{
  return ecma_raise_type_error (ECMA_ERR_FUNCTION_OBJECT_IS_LEXICAL_ENVIRONMENT);
}
```

Patch 5:
```c
ecma_value_t validate_result = ecma_validate_function_object (func_obj_p);
if (ECMA_IS_VALUE_ERROR (validate_result))
{
  return validate_result;
}

// Add this helper function elsewhere in the codebase:
// static ecma_value_t
// ecma_validate_function_object (ecma_object_t *func_obj_p)
// {
//   if (func_obj_p == NULL)
//   {
//     return ecma_raise_type_error (ECMA_ERR_FUNCTION_OBJECT_IS_NULL);
//   }
//   if (ecma_is_lexical_environment (func_obj_p))
//   {
//     return ecma_raise_type_error (ECMA_ERR_FUNCTION_OBJECT_IS_LEXICAL_ENVIRONMENT);
//   }
//   return ECMA_VALUE_EMPTY;
// }
```

These patches aim to handle the case where `func_obj_p` is NULL or is a lexical environment, raising appropriate type errors instead of causing a NULL pointer dereference.