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-rw-r--r--absl/synchronization/internal/mutex_nonprod.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/absl/synchronization/internal/mutex_nonprod.cc b/absl/synchronization/internal/mutex_nonprod.cc
index 4590b98dbbed..1732f8365005 100644
--- a/absl/synchronization/internal/mutex_nonprod.cc
+++ b/absl/synchronization/internal/mutex_nonprod.cc
@@ -32,6 +32,10 @@
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
+
+void SetMutexDeadlockDetectionMode(OnDeadlockCycle) {}
+void EnableMutexInvariantDebugging(bool) {}
+
 namespace synchronization_internal {
 
 namespace {