bool Compilation::CleanupFileList(const ArgStringList &Files,
                                  bool IssueErrors) const {
  bool Success = true;

  for (ArgStringList::const_iterator
         it = Files.begin(), ie = Files.end(); it != ie; ++it) {
    llvm::sys::Path P(*it);
    std::string Error;

    if (P.eraseFromDisk(false, &Error)) {
      // Failure is only failure if the file doesn't exist. There is a
      // race condition here due to the limited interface of
      // llvm::sys::Path, we want to know if the removal gave E_NOENT.

      // FIXME: Grumble, P.exists() is broken. PR3837.
      struct stat buf;
      if (::stat(P.c_str(), &buf) == 0
          || errno != ENOENT) {
        if (IssueErrors)
          getDriver().Diag(clang::diag::err_drv_unable_to_remove_file)
            << Error;
        Success = false;
      }
    }
  }

  return Success;
}