[clang] [CIR] Represent Cleanups with Cleanup scopes (PR #180276)

[Andy Kaylor via cfe-commits]

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@@ -140,10 +140,10 @@ void multi_dimensional() {
 // CIR:       cir.return
 
 // LLVM:     define{{.*}} void @_Z17multi_dimensionalv()
+// LLVM:       %[[ITER:.*]] = alloca ptr, i64 1
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andykaylor wrote:

```suggestion
// LLVM:       %[[ITER:.*]] = alloca ptr
```
We don't want this difference with OGCG, so we should stop checking for it where we aren't interested in that detail of the alloca.

https://github.com/llvm/llvm-project/pull/180276