[libcxx-commits] [libcxx] [libc++] Do not call in flat containers if underlying container is user defined (PR #140379)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,,cpp -- libcxx/include/__flat_map/flat_map.h libcxx/include/__flat_map/flat_multimap.h libcxx/include/__flat_set/flat_multiset.h libcxx/include/__flat_set/flat_set.h libcxx/include/__type_traits/container_traits.h libcxx/include/__vector/container_traits.h libcxx/include/deque libcxx/include/forward_list libcxx/include/list libcxx/include/map libcxx/include/set libcxx/include/unordered_map libcxx/include/unordered_set libcxx/test/std/containers/container.adaptors/flat.map/flat.map.modifiers/insert_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.multimap/flat.multimap.modifiers/insert_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.multiset/flat.multiset.modifiers/insert_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat_helpers.h
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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/test/std/containers/container.adaptors/flat_helpers.h b/libcxx/test/std/containers/container.adaptors/flat_helpers.h
index 458ad24e4..19d637052 100644
--- a/libcxx/test/std/containers/container.adaptors/flat_helpers.h
+++ b/libcxx/test/std/containers/container.adaptors/flat_helpers.h
@@ -29,9 +29,7 @@ template <class T>
 struct SillyReserveVector : std::vector<T> {
   using std::vector<T>::vector;
 
-  void reserve(size_t ) {
-    this->clear();
-  }
+  void reserve(size_t) { this->clear(); }
 };
 
 template <class T, bool ConvertibleToT = false>

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https://github.com/llvm/llvm-project/pull/140379