[clang] [CIR] Upstream __sync_<OP>_and_fetch builtins (PR #168347)

[Bruno Cardoso Lopes via cfe-commits]

Hendrik =?utf-8?q?H=C3=BCbner?=,hhuebner <hendrik.huebner18 at gmail.com>,hhuebner
 <hendrik.huebner18 at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/168347 at github.com>


https://github.com/bcardosolopes approved this pull request.

LGTM after last nit from Andy is fixed.

https://github.com/llvm/llvm-project/pull/168347