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-rw-r--r--compiler/main/DynFlags.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 0978c1132c..4d5d727d6b 100644
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -2876,7 +2876,8 @@ fWarningFlags = [
Opt_WarnAlternativeLayoutRuleTransitional,
flagSpec' "warn-amp" Opt_WarnAMP
(\_ -> deprecate "it has no effect, and will be removed in GHC 7.12"),
- flagSpec "warn-auto-orphans" Opt_WarnAutoOrphans,
+ flagSpec' "warn-auto-orphans" Opt_WarnAutoOrphans
+ (\_ -> deprecate "it has no effect"),
flagSpec "warn-deferred-type-errors" Opt_WarnDeferredTypeErrors,
flagSpec "warn-deprecations" Opt_WarnWarningsDeprecations,
flagSpec "warn-deprecated-flags" Opt_WarnDeprecatedFlags,