[libcxx-commits] [libcxx] [libc++][hardening] Constrain construction and use `static_assert` for `__{bounded.wrap}_iter` (PR #115271)

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``````````bash
git-clang-format --diff 9b058bb42d49afb61b07a7eeeea1ad3d1407f1c9 9115be18ade8cc1977eb3d04daa398bc3d23043b --extensions h,cpp -- libcxx/test/libcxx/iterators/contiguous_iterators.verify.cpp libcxx/test/libcxx/iterators/wrap.bounded.iter.conv.compile.pass.cpp libcxx/include/__iterator/bounded_iter.h libcxx/include/__iterator/wrap_iter.h
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/test/libcxx/iterators/wrap.bounded.iter.conv.compile.pass.cpp b/libcxx/test/libcxx/iterators/wrap.bounded.iter.conv.compile.pass.cpp
index 86f33eaef8..6837f527fe 100644
--- a/libcxx/test/libcxx/iterators/wrap.bounded.iter.conv.compile.pass.cpp
+++ b/libcxx/test/libcxx/iterators/wrap.bounded.iter.conv.compile.pass.cpp
@@ -30,14 +30,16 @@ static_assert(!std::is_convertible<std::array<Derived, 1>::const_iterator, std::
               "");
 static_assert(!std::is_constructible<std::array<Base, 1>::iterator, std::array<Derived, 1>::iterator>::value, "");
 static_assert(!std::is_constructible<std::array<Base, 1>::iterator, std::array<Derived, 1>::const_iterator>::value, "");
-static_assert(!std::is_constructible<std::array<Base, 1>::const_iterator, std::array<Derived, 1>::const_iterator>::value, "");
+static_assert(
+    !std::is_constructible<std::array<Base, 1>::const_iterator, std::array<Derived, 1>::const_iterator>::value, "");
 
 static_assert(!std::is_convertible<std::vector<Derived>::iterator, std::vector<Base>::iterator>::value, "");
 static_assert(!std::is_convertible<std::vector<Derived>::iterator, std::vector<Base>::const_iterator>::value, "");
 static_assert(!std::is_convertible<std::vector<Derived>::const_iterator, std::vector<Base>::const_iterator>::value, "");
 static_assert(!std::is_constructible<std::vector<Base>::iterator, std::vector<Derived>::iterator>::value, "");
 static_assert(!std::is_constructible<std::vector<Base>::iterator, std::vector<Derived>::const_iterator>::value, "");
-static_assert(!std::is_constructible<std::vector<Base>::const_iterator, std::vector<Derived>::const_iterator>::value, "");
+static_assert(!std::is_constructible<std::vector<Base>::const_iterator, std::vector<Derived>::const_iterator>::value,
+              "");
 
 #if TEST_STD_VER >= 20
 static_assert(!std::is_convertible_v<std::span<Derived>::iterator, std::span<Base>::iterator>);

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https://github.com/llvm/llvm-project/pull/115271