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-rw-r--r--lib/hipe/cerl/erl_types.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index bc7ea17077..f5be8fb08f 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -3432,7 +3432,7 @@ record_field_diffs_to_string(?tuple([_|Fs], Arity, Tag), RecDict) ->
field_diffs([F|Fs], [{FName, DefType}|FDefs], RecDict, Acc) ->
NewAcc =
- case t_is_subtype(F, DefType) of
+ case not t_is_none(t_inf(F, DefType)) of
true -> Acc;
false ->
Str = atom_to_string(FName) ++ "::" ++ t_to_string(DefType, RecDict),