[clang] [CIR] Upstream Exception CXXTryStmt (PR #162528)

[Andy Kaylor via cfe-commits]

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@@ -4296,6 +4202,66 @@ def CIR_AllocExceptionOp : CIR_Op<"alloc.exception"> {
   }];
 }
 
+//===----------------------------------------------------------------------===//
+// TryOp
+//===----------------------------------------------------------------------===//
+
+// Represents the unwind region where unwind continues or
+// the program std::terminate's.
+def CIR_CatchUnwind : CIR_UnitAttr<"CatchUnwind", "unwind"> {
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andykaylor wrote:

Is there any reason that these shouldn't be defined in CIRAttrs.td?

https://github.com/llvm/llvm-project/pull/162528