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-rw-r--r--erts/emulator/beam/erl_async.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c
index f321ed21aa..cb975d64b0 100644
--- a/erts/emulator/beam/erl_async.c
+++ b/erts/emulator/beam/erl_async.c
@@ -253,7 +253,9 @@ erts_get_async_ready_queue(Uint sched_id)
static ERTS_INLINE void async_add(ErtsAsync *a, ErtsAsyncQ* q)
{
+#ifdef USE_VM_PROBES
int len;
+#endif
if (is_internal_port(a->port)) {
#if ERTS_USE_ASYNC_READY_Q
@@ -291,7 +293,9 @@ static ERTS_INLINE ErtsAsync *async_get(ErtsThrQ_t *q,
int saved_fin_deq = 0;
ErtsThrQFinDeQ_t fin_deq;
#endif
+#ifdef USE_VM_PROBES
int len;
+#endif
while (1) {
ErtsAsync *a = (ErtsAsync *) erts_thr_q_dequeue(q);