[clang] [CIR] Upstream handling for delete array (PR #165225)

[Henrich Lauko via cfe-commits]

================
@@ -4089,6 +4089,24 @@ def CIR_PrefetchOp : CIR_Op<"prefetch"> {
     }];
 }
 
+//===----------------------------------------------------------------------===//
+// DeleteArrayOp
+//===----------------------------------------------------------------------===//
+
+def CIR_DeleteArrayOp : CIR_Op<"delete.array"> {
----------------
xlauko wrote:

```suggestion
def CIR_DeleteArrayOp : CIR_Op<"delete_array"> {
```

https://github.com/llvm/llvm-project/pull/165225