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-rw-r--r--libcxx/include/algorithm2
1 files changed, 1 insertions, 1 deletions
diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
index 2ea1daed94f..7a6db7abd26 100644
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -630,7 +630,7 @@ template <class BidirectionalIterator, class Compare>
#include <initializer_list>
#include <type_traits>
#include <cstring>
-#include <utility>
+#include <utility> // needed to provide swap_ranges.
#include <memory>
#include <iterator>
#include <cstddef>
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