Merge "Update check_elf_file.py for clang-r353983"

  _SYMBOL_ENTRY_END_PATTERN = '  }'

  @classmethod

  def _parse_symbol_name(cls, name_with_version):

  @staticmethod

  def _parse_symbol_name(name_with_version):

    """Split `name_with_version` into name and version. This function may split

    at last occurrence of `@@` or `@`."""

    name, version = name_with_version.rsplit('@', 1)

    if name and name[-1] == '@':

      name = name[:-1]

    pos = name_with_version.rfind('@')

    if pos == -1:

      name = name_with_version

      version = ''

    else:

      if pos > 0 and name_with_version[pos - 1] == '@':

        name = name_with_version[0:pos - 1]

      else:

        name = name_with_version[0:pos]

      version = name_with_version[pos + 1:]

    return (name, version)