diff options
Diffstat (limited to 'lib/compiler/src/sys_core_fold.erl')
| -rw-r--r-- | lib/compiler/src/sys_core_fold.erl | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index eb9c302334..fb8a6174a7 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -2356,6 +2356,15 @@ is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, %% been rewritten to is_record(Expr, LiteralTag, TupleSize). false; is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, + name=#c_literal{val=is_function}, + args=[A,#c_literal{val=Arity}]}, + Sub, _BoolVars) when is_integer(Arity), Arity >= 0 -> + is_safe_simple(A, Sub); +is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, + name=#c_literal{val=is_function}}, + _Sub, _BoolVars) -> + false; +is_safe_bool_expr_1(#c_call{module=#c_literal{val=erlang}, name=#c_literal{val=Name},args=Args}, Sub, BoolVars) -> NumArgs = length(Args), |