From 987eaf5d2dfb3e0b715f8d1e9845cef62e34b454 Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@google.com>
Date: Fri, 11 Oct 2024 18:16:05 -0700
Subject: [PATCH] [assert] fix set-but-unused warnings (#10823)

---
 src/core/thread/mlr_manager.cpp  | 2 ++
 src/lib/spinel/spinel_buffer.cpp | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/src/core/thread/mlr_manager.cpp b/src/core/thread/mlr_manager.cpp
index a39f940c6..b6ab95769 100644
--- a/src/core/thread/mlr_manager.cpp
+++ b/src/core/thread/mlr_manager.cpp
@@ -719,6 +719,8 @@ void MlrManager::CheckInvariants(void) const
 #if OPENTHREAD_EXAMPLES_SIMULATION && OPENTHREAD_CONFIG_ASSERT_ENABLE
     uint16_t registeringNum = 0;
 
+    OT_UNUSED_VARIABLE(registeringNum);
+
     OT_ASSERT(!mMlrPending || mSendDelay == 0);
 
 #if OPENTHREAD_CONFIG_MLR_ENABLE
diff --git a/src/lib/spinel/spinel_buffer.cpp b/src/lib/spinel/spinel_buffer.cpp
index 3c41684f9..8cda66118 100644
--- a/src/lib/spinel/spinel_buffer.cpp
+++ b/src/lib/spinel/spinel_buffer.cpp
@@ -784,6 +784,8 @@ otError Buffer::OutFrameRemove(void)
     uint8_t  numSegments;
     FrameTag tag;
 
+    OT_UNUSED_VARIABLE(numSegments);
+
     EXPECT(!IsEmpty(), error = OT_ERROR_NOT_FOUND);
 
     OutFrameSelectReadDirection();
@@ -884,6 +886,8 @@ uint16_t Buffer::OutFrameGetLength(void)
     otMessage *message = nullptr;
 #endif
 
+    OT_UNUSED_VARIABLE(numSegments);
+
     // If the frame length was calculated before, return the previously calculated length.
     EXPECT(mReadFrameLength == kUnknownFrameLength, frameLength = mReadFrameLength);