[pp] Remove uses of expensive string_of_ppcmds.

In general we want to avoid this as much as we can, as it will need to
make choices regarding the output backend (width, etc...) and it is
expensive. It is better to serve the printing backends the pretty
print document itself.

1 files changed, 3 insertions, 3 deletions

diff --git a/checker/reduction.ml b/checker/reduction.ml
index ec16aa2615..28c0126b41 100644
--- a/checker/reduction.ml
+++ b/checker/reduction.ml
@@ -176,9 +176,9 @@ let sort_cmp env univ pb s0 s1 =
         then begin
           if !Flags.debug then begin
             let op = match pb with CONV -> "=" | CUMUL -> "<=" in
-            Printf.eprintf "sort_cmp: %s\n%!" Pp.(string_of_ppcmds
-              (str"Error: " ++ Univ.pr_uni u1 ++ str op ++ Univ.pr_uni u2 ++ str ":" ++ cut()
-               ++ Univ.pr_universes univ))
+            Format.eprintf "sort_cmp: @[%a@]\n%!" Pp.pp_with Pp.(
+               str"Error: " ++ Univ.pr_uni u1 ++ str op ++ Univ.pr_uni u2 ++ str ":" ++ cut()
+               ++ Univ.pr_universes univ)
           end;
           raise NotConvertible
         end