[clang] [CIR] Support single level Cleanup scope (PR #180276)

[Amr Hesham via cfe-commits]

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@@ -675,6 +675,8 @@ class CIRGenFunction : public CIRGenTypeCache {
                                               cir::GlobalOp gv,
                                               cir::GetGlobalOp gvAddr);
 
+  std::stack<cir::CleanupScopeOp> ehCleanupScopesStack;
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AmrDeveloper wrote:

Makes sense, I did that

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