[libcxx-commits] [libcxx] [libc++] Implement P3508R0: Wording for "constexpr for specialized memory algorithms" (PR #197313)

[A. Jiang via libcxx-commits]

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@@ -48,6 +50,23 @@ struct Nasty
 
 int Nasty::counter_ = 0;
 
+TEST_CONSTEXPR_CXX26 bool test() {
+  const int n           = 3;
+  const ConstCopy in[n] = {ConstCopy(1), ConstCopy(2), ConstCopy(3)};
+  std::allocator<ConstCopy> alloc;
+  ConstCopy* out = alloc.allocate(n);
+
+  ConstCopy* result = std::uninitialized_copy(in, in + n, out);
+  assert(result == out + n);
+  for (int i = 0; i != n; ++i)
+    assert(out[i].val == in[i].val);
+
+  backport::destroy(out, out + n);
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frederick-vs-ja wrote:

```suggestion
  util::destroy(out, out + n);
```

Same for some other test files.

https://github.com/llvm/llvm-project/pull/197313