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-rw-r--r--lib/flags.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/flags.ml b/lib/flags.ml
index ba19c7a63..13525165a 100644
--- a/lib/flags.ml
+++ b/lib/flags.ml
@@ -172,7 +172,7 @@ let make_polymorphic_flag b =
let program_mode = ref false
let is_program_mode () = !program_mode
-let warn = ref false
+let warn = ref true
let make_warn flag = warn := flag; ()
let if_warn f x = if !warn then f x