[libcxx] Fix incorrect #include for std::hash

Reviewed as https://reviews.llvm.org/D54705.
Thanks to Andrey Maksimov for the patch.

llvm-svn: 347233

diff --git a/libcxx/test/std/containers/Emplaceable.h b/libcxx/test/std/containers/Emplaceable.h
index 331a81f..04b1f85 100644 (file)
--- a/libcxx/test/std/containers/Emplaceable.h
+++ b/libcxx/test/std/containers/Emplaceable.h
@@ -10,7 +10,7 @@
 #ifndef EMPLACEABLE_H
 #define EMPLACEABLE_H
 
-#include <utility>
+#include <functional>
 #include "test_macros.h"
 
 #if TEST_STD_VER >= 11