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-rw-r--r--erts/emulator/beam/erl_bif_op.c5
-rw-r--r--erts/emulator/test/fun_SUITE.erl4
2 files changed, 2 insertions, 7 deletions
diff --git a/erts/emulator/beam/erl_bif_op.c b/erts/emulator/beam/erl_bif_op.c
index 13f8b1f63c..d4cd9c89b3 100644
--- a/erts/emulator/beam/erl_bif_op.c
+++ b/erts/emulator/beam/erl_bif_op.c
@@ -261,11 +261,6 @@ Eterm erl_is_function(Process* p, Eterm arg1, Eterm arg2)
if (exp->code[2] == (Uint) arity) {
BIF_RET(am_true);
}
- } else if (is_tuple(arg1)) {
- Eterm* tp = tuple_val(arg1);
- if (tp[0] == make_arityval(2) && is_atom(tp[1]) && is_atom(tp[2])) {
- BIF_RET(am_true);
- }
}
BIF_RET(am_false);
}
diff --git a/erts/emulator/test/fun_SUITE.erl b/erts/emulator/test/fun_SUITE.erl
index ef06845cf2..36ba4e0f48 100644
--- a/erts/emulator/test/fun_SUITE.erl
+++ b/erts/emulator/test/fun_SUITE.erl
@@ -726,8 +726,8 @@ t_arity(Config) when is_list(Config) ->
ok.
t_is_function2(Config) when is_list(Config) ->
- ?line true = is_function({a,b}, 0),
- ?line true = is_function({a,b}, 234343434333433433),
+ false = is_function(id({a,b}), 0),
+ false = is_function(id({a,b}), 234343434333433433),
?line true = is_function(fun() -> ok end, 0),
?line true = is_function(fun(_) -> ok end, 1),
?line false = is_function(fun(_) -> ok end, 0),