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-rw-r--r--erts/emulator/beam/binary.c5
-rw-r--r--erts/emulator/beam/erl_io_queue.c5
2 files changed, 8 insertions, 2 deletions
diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c
index d4db1a4188..95d324d2c1 100644
--- a/erts/emulator/beam/binary.c
+++ b/erts/emulator/beam/binary.c
@@ -953,7 +953,10 @@ HIPE_WRAPPER_BIF_DISABLE_GC(iolist_to_binary, 1)
BIF_RETTYPE iolist_to_binary_1(BIF_ALIST_1)
{
if (is_binary(BIF_ARG_1)) {
- BIF_RET(BIF_ARG_1);
+ if (binary_bitsize(BIF_ARG_1) == 0) {
+ BIF_RET(BIF_ARG_1);
+ }
+ BIF_ERROR(BIF_P, BADARG);
}
return erts_list_to_binary_bif(BIF_P, BIF_ARG_1, bif_export[BIF_iolist_to_binary_1]);
}
diff --git a/erts/emulator/beam/erl_io_queue.c b/erts/emulator/beam/erl_io_queue.c
index 990c0c1cac..eb156cc578 100644
--- a/erts/emulator/beam/erl_io_queue.c
+++ b/erts/emulator/beam/erl_io_queue.c
@@ -1203,7 +1203,10 @@ BIF_RETTYPE iolist_to_iovec_1(BIF_ALIST_1) {
if (is_nil(BIF_ARG_1)) {
BIF_RET(NIL);
} else if (is_binary(BIF_ARG_1)) {
- if (binary_size(BIF_ARG_1) != 0) {
+ if (binary_bitsize(BIF_ARG_1) != 0) {
+ ASSERT(!(BIF_P->flags & F_DISABLE_GC));
+ BIF_ERROR(BIF_P, BADARG);
+ } else if (binary_size(BIF_ARG_1) != 0) {
Eterm *hp = HAlloc(BIF_P, 2);
BIF_RET(CONS(hp, BIF_ARG_1, NIL));