[clang] Use pushFullExprCleanup for deferred destroy (PR #88670)

[Eli Friedman via cfe-commits]

================
@@ -0,0 +1,49 @@
+// RUN: %clang_cc1 -emit-llvm -fexceptions -o - %s -triple x86_64-linux-gnu | FileCheck -check-prefixes=EH,CHECK %s
+// RUN: %clang_cc1 -emit-llvm -o - %s -triple x86_64-linux-gnu | FileCheck -check-prefixes=NOEH,CHECK %s
+namespace std {
+  typedef decltype(sizeof(int)) size_t;
+
+  // libc++'s implementation
+  template <class _E>
+  class initializer_list
+  {
+    const _E* __begin_;
+    size_t    __size_;
+    initializer_list(const _E* __b, size_t __s);
+  };
+}
+
+class Object {
+public:
+  Object() = default;
+  struct KV;
+  explicit Object(std::initializer_list<KV> Properties);
+};
+
+class Value {
+public:
+  Value(std::initializer_list<Value> Elements);
----------------
efriedma-quic wrote:

```
class Object {
public:
  struct KV;
  Object(KV);
};

struct A { A(); ~A(); };
class Value {
public:
  Value(A);
  Value(const char *V);
  ~Value();
};

class ObjectKey {
public:
  ObjectKey(const char *S);
  ~ObjectKey();
};

struct Object::KV {
  ObjectKey K;
  Value V;
};
bool foo();
void DestroyInConditionalCleanup() {
  foo() ? Object{{"key1", A()}} : Object{{"key2", "val2"}};
}
```

Not really a big deal either way, though; just a minor cleanup.

https://github.com/llvm/llvm-project/pull/88670