update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / boost / boost / yap / print.hpp

diff --git a/ceph/src/boost/boost/yap/print.hpp b/ceph/src/boost/boost/yap/print.hpp
index ca58840a4a0cea0efb49c2d4de5239ca178edc26..c97e2f3b60954dfc790014f23a6e4ad422f6b942 100644 (file)
--- a/ceph/src/boost/boost/yap/print.hpp
+++ b/ceph/src/boost/boost/yap/print.hpp
@@ -20,7 +20,7 @@ namespace boost { namespace yap {
         "ref" and "term" for the non-operator kinds
         <code>expr_kind::expr_ref</code> amd <code>expr_kind::terminal</code>,
         respectively.*/
-    inline char const * op_string(expr_kind kind)
+    inline constexpr char const * op_string(expr_kind kind)
     {
         switch (kind) {
         case expr_kind::expr_ref: return "ref";