[clang] [libclc] [openmp] [Clang] Rename `uinc_wrap` and add normal atomic builtin (PR #177253)

[via cfe-commits]

llvmbot wrote:

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Failed to cherry-pick: d5899ccb6f338e254995760bf11c6acddade5391

https://github.com/llvm/llvm-project/actions/runs/21673181622

Please manually backport the fix and push it to your github fork.  Once this is done, please create a [pull request](https://github.com/llvm/llvm-project/compare)

https://github.com/llvm/llvm-project/pull/177253