[clang] [CIR] Upstream a batch of passing tests from CIR-Incubator (PR #157333)

[Andy Kaylor via cfe-commits]

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@@ -0,0 +1,9 @@
+// TODO: fix crash in emitTaskWaitCall
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andykaylor wrote:

We don't have any OpenMP support upstream, so this test is only passing because it doesn't really do anything. This should be removed from your PR.

https://github.com/llvm/llvm-project/pull/157333