[libcxx-commits] [libcxx] [libc++] Avoid materializing input ranges prepended to deque (PR #199969)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions ,h,cpp -- libcxx/test/libcxx/containers/sequences/deque/input_range_insert_at_begin.pass.cpp libcxx/include/deque libcxx/test/benchmarks/containers/sequence/sequence_container_benchmarks.h libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp
index cfd5135ba..215868711 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp
@@ -54,7 +54,7 @@ void test_input_range_strong_exception_safety() {
     c.pop_front();
   std::deque<T> expected = c;
 
-  T input[] = {T(0), T(1), T(2), T(3)};
+  T input[]  = {T(0), T(1), T(2), T(3)};
   using Iter = cpp20_input_iterator<T*>;
   auto in    = std::ranges::subrange(Iter(input), sentinel_wrapper<Iter>(Iter(input + 4)));
 

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https://github.com/llvm/llvm-project/pull/199969