summaryrefslogtreecommitdiff
path: root/libcxx/include/span
diff options
context:
space:
mode:
Diffstat (limited to 'libcxx/include/span')
-rw-r--r--libcxx/include/span1
1 files changed, 1 insertions, 0 deletions
diff --git a/libcxx/include/span b/libcxx/include/span
index 337a67434ec4..8afd1942c1f3 100644
--- a/libcxx/include/span
+++ b/libcxx/include/span
@@ -590,6 +590,7 @@ _LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+# include <concepts>
# include <functional>
# include <iterator>
#endif