ecma_new_ecma_string_from_code_units (ecma_char_t first_code_unit, /**< code unit */
                                      ecma_char_t second_code_unit) /**< code unit */
{
  lit_utf8_byte_t lit_utf8_bytes[2 * LIT_UTF8_MAX_BYTES_IN_CODE_UNIT];
  lit_utf8_size_t bytes_size = lit_code_unit_to_utf8 (first_code_unit, lit_utf8_bytes);
  bytes_size += lit_code_unit_to_utf8 (second_code_unit, lit_utf8_bytes + bytes_size);

  return ecma_new_ecma_string_from_utf8 (lit_utf8_bytes, bytes_size);
} /* ecma_new_ecma_string_from_code_units */
ecma_new_ecma_string_from_code_units (ecma_char_t first_code_unit,  
                                      ecma_char_t second_code_unit)  
{
  lit_utf8_byte_t lit_utf8_bytes[2 * LIT_UTF8_MAX_BYTES_IN_CODE_UNIT];
  lit_utf8_size_t bytes_size = lit_code_unit_to_utf8 (first_code_unit, lit_utf8_bytes);
  bytes_size += lit_code_unit_to_utf8 (second_code_unit, lit_utf8_bytes + bytes_size);

  return ecma_new_ecma_string_from_utf8 (lit_utf8_bytes, bytes_size);
}  