[libcxx-commits] [libcxx] [libc++] Annotate the data member of variant with no_unique_address (PR #137783)

[Alex Aktsipetrov via libcxx-commits]

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@@ -84,5 +100,8 @@ int main(int, char**) {
   static_assert(sizeof(std::variant<char, int, long>) == sizeof(type_with_index<long>));
   static_assert(sizeof(std::variant<std::size_t, std::size_t, std::size_t>) == sizeof(type_with_index<std::size_t>));
 
+  static_assert((sizeof(VariantWithNoUniqueAddress) < sizeof(VariantWithoutNoUniqueAddress)) ==
+                ExpectSmallerSizeWithNoUniqueAddress);
+
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gizmondo wrote:

Done.

https://github.com/llvm/llvm-project/pull/137783