[clang] [MinGW] MinGW pthread (PR #74981)

[Anton Korobeynikov via cfe-commits]

asl wrote:

@xu-chiheng  Will you please provide meaningful description in the PRs from now on? Since this is not the first time you've been asked to do this and you are ignoring these requests I'm closing this PR. Please do not use PRs to debug your own issues, this is wasting both time of reviewers as well as CI time.

Feel free to reopen when / if you will be able to fix these issues.

For more information about proper way to contribute to LLVM consider familiarizing yourself with:

 * https://llvm.org/docs/Contributing.html#how-to-submit-a-patch
 * https://llvm.org/docs/CodeReview.html
Thanks.

https://github.com/llvm/llvm-project/pull/74981