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-rw-r--r--erts/emulator/beam/beam_emu.c2
-rw-r--r--erts/emulator/beam/erl_bits.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index fb90a7d4f7..937b3d9e53 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -3561,7 +3561,7 @@ void process_main(void)
* Operands: NotUsed Live Dst
*/
do_bs_init_bits_known:
- num_bytes = (num_bits+7) >> 3;
+ num_bytes = ((Uint64)num_bits+(Uint64)7) >> 3;
if (num_bits & 7) {
alloc += ERL_SUB_BIN_SIZE;
}
diff --git a/erts/emulator/beam/erl_bits.h b/erts/emulator/beam/erl_bits.h
index 0f67733fa4..3309ea706b 100644
--- a/erts/emulator/beam/erl_bits.h
+++ b/erts/emulator/beam/erl_bits.h
@@ -150,7 +150,7 @@ void erts_bits_destroy_state(ERL_BITS_PROTO_0);
* NBYTES(x) returns the number of bytes needed to store x bits.
*/
-#define NBYTES(x) (((x) + 7) >> 3)
+#define NBYTES(x) (((Uint64)(x) + (Uint64) 7) >> 3)
#define BYTE_OFFSET(ofs) ((Uint) (ofs) >> 3)
#define BIT_OFFSET(ofs) ((ofs) & 7)