[libcxx-commits] [libcxx] [libc++][mdspan] Fix extents CTAD (PR #68737)

[Christian Trott via libcxx-commits]

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@@ -21,6 +21,12 @@
 #include "../ConvertibleToIntegral.h"
 #include "test_macros.h"
 
+struct S {
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crtrott wrote:

changed. I used `NoDefaultCtorIndex`

https://github.com/llvm/llvm-project/pull/68737