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-rw-r--r--lib/hipe/cerl/erl_types.erl12
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 1789fc79fa..410e29d269 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -2318,10 +2318,14 @@ t_inf(?product(_), _, _Mode) ->
?none;
t_inf(_, ?product(_), _Mode) ->
?none;
-t_inf(?tuple(?any, ?any, ?any), ?tuple(_, _, _) = T, _Mode) -> T;
-t_inf(?tuple(_, _, _) = T, ?tuple(?any, ?any, ?any), _Mode) -> T;
-t_inf(?tuple(?any, ?any, ?any), ?tuple_set(_) = T, _Mode) -> T;
-t_inf(?tuple_set(_) = T, ?tuple(?any, ?any, ?any), _Mode) -> T;
+t_inf(?tuple(?any, ?any, ?any), ?tuple(_, _, _) = T, _Mode) ->
+ subst_all_vars_to_any(T);
+t_inf(?tuple(_, _, _) = T, ?tuple(?any, ?any, ?any), _Mode) ->
+ subst_all_vars_to_any(T);
+t_inf(?tuple(?any, ?any, ?any), ?tuple_set(_) = T, _Mode) ->
+ subst_all_vars_to_any(T);
+t_inf(?tuple_set(_) = T, ?tuple(?any, ?any, ?any), _Mode) ->
+ subst_all_vars_to_any(T);
t_inf(?tuple(Elements1, Arity, _Tag1), ?tuple(Elements2, Arity, _Tag2), Mode) ->
case t_inf_lists_strict(Elements1, Elements2, Mode) of
bottom -> ?none;