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-rw-r--r--erts/emulator/beam/erl_nif.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 51f1fad811..224931c3fb 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -681,6 +681,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term,
ErlSubBin* sb;
Eterm orig;
Uint offset, bit_offset, bit_size;
+#ifdef DEBUG
unsigned src_size;
ASSERT(is_binary(bin_term));
@@ -688,6 +689,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term,
ASSERT(pos <= src_size);
ASSERT(size <= src_size);
ASSERT(pos + size <= src_size);
+#endif
sb = (ErlSubBin*) alloc_heap(env, ERL_SUB_BIN_SIZE);
ERTS_GET_REAL_BIN(bin_term, orig, offset, bit_offset, bit_size);
sb->thing_word = HEADER_SUB_BIN;