[libcxx-commits] [libcxx] [libc++] Fix constraints for `optional`'s constructors taking `in_place_t` and related `make_optional` overloads (PR #173467)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions ,cpp -- libcxx/include/optional libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/in_place_t.pass.cpp libcxx/test/std/utilities/optional/optional.specalg/make_optional_explicit.pass.cpp libcxx/test/std/utilities/optional/optional.specalg/make_optional_explicit_initializer_list.pass.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/libcxx/include/optional b/libcxx/include/optional
index 1a62d702b..3494acf8f 100644
--- a/libcxx/include/optional
+++ b/libcxx/include/optional
@@ -746,7 +746,7 @@ template <class _Tp, class _Up, class... _Args>
 inline constexpr bool __is_constructible_for_optional_initializer_list_v =
     is_constructible_v<_Tp, initializer_list<_Up>&, _Args...>;
 
-#    if _LIBCPP_STD_VER >= 26
+#      if _LIBCPP_STD_VER >= 26
 template <class _Tp, class... _Args>
 inline constexpr bool __is_constructible_for_optional_v<_Tp&, _Args...> = false;
 template <class _Tp, class _Arg>
@@ -755,7 +755,7 @@ inline constexpr bool __is_constructible_for_optional_v<_Tp&, _Arg> =
 
 template <class _Tp, class _Up, class... _Args>
 inline constexpr bool __is_constructible_for_optional_initializer_list_v<_Tp&, _Up, _Args...> = false;
-#    endif
+#      endif
 
 template <class _Tp>
 struct __optional_iterator<_Tp&, enable_if_t<is_object_v<_Tp> && !__is_unbounded_array_v<_Tp> >> {

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https://github.com/llvm/llvm-project/pull/173467