Fix unused warnings release (#3677)

* Release build fix for Windows
* Release build fix for Android
* Release build fix for Windows
* Release build fix for Android
* Release build fix for Linux
* Release build fix for Mac
* Release build fix for iOS

Signed-off-by: Steve Pham <spham@amazon.com>

Code/Editor/ActionManager.cpp

@@ -326,6 +326,7 @@ ActionManager::MenuWrapper ActionManager::FindMenu(const QString& menuId)
             return *menuIt;
         }
 
+        AZ_UNUSED(menuId); // Prevent unused warning in release builds
         AZ_Warning("ActionManager", false, "Did not find menu with menuId %s", menuId.toUtf8().data());
         return nullptr;
     }();

Code/Editor/EditorViewportWidget.cpp

@@ -1528,7 +1528,7 @@ AZ::EntityId EditorViewportWidget::GetCurrentViewEntityId()
             &AZ::RPI::ViewProviderBus::Events::GetView
         );
 
-        const bool isViewEntityCorrect = viewEntityView == GetCurrentAtomView();
+        [[maybe_unused]] const bool isViewEntityCorrect = viewEntityView == GetCurrentAtomView();
         AZ_Error("EditorViewportWidget", isViewEntityCorrect,
             "GetCurrentViewEntityId called while the current view is being changed. "
             "You may get inconsistent results if you make use of the returned entity ID. "

Code/Editor/TrackView/TrackViewAnimNode.cpp

@@ -1942,7 +1942,7 @@ void CTrackViewAnimNode::OnSelectionChanged(const bool selected)
 {
     if (m_animNode)
     {
-        const AnimNodeType animNodeType = GetType();
+        [[maybe_unused]] const AnimNodeType animNodeType = GetType();
         AZ_Assert(animNodeType == AnimNodeType::AzEntity, "Expected AzEntity for selection changed");
 
         const EAnimNodeFlags flags = (EAnimNodeFlags)m_animNode->GetFlags();

Code/Framework/AzCore/AzCore/Asset/AssetContainer.cpp

@@ -153,6 +153,7 @@ namespace AZ
                 // behavior, we would need to rework the way filters work as well as the code in AssetSerializer.cpp to pass down
                 // the loadParams.m_assetLoadFilterCB that was passed into the AddDependentAssets() methods to use as the dependent
                 // asset filter instead of this lambda function.
+                AZ_UNUSED(handledAssetDependencyList); // Prevent unused warning in release builds
                 AZ_Assert(AZStd::find(handledAssetDependencyList.begin(), handledAssetDependencyList.end(), filterInfo.m_assetId) !=
                     handledAssetDependencyList.end(),
                     "Dependent Asset ID (%s) is expected to load, but the Asset Catalog has no dependency recorded. "

Code/Framework/AzCore/AzCore/Asset/AssetManager.cpp

@@ -1478,7 +1478,7 @@ namespace AZ
 
                     // Resolve the asset handler and account for the new asset instance.
                     {
-                        AssetHandlerMap::iterator handlerIt = m_handlers.find(newData->GetType());
+                        [[maybe_unused]] AssetHandlerMap::iterator handlerIt = m_handlers.find(newData->GetType());
                         AZ_Assert(
                             handlerIt != m_handlers.end(), "No handler was registered for this asset [type:%s id:%s]!",
                             newData->GetType().ToString<AZ::OSString>().c_str(), newData->GetId().ToString<AZ::OSString>().c_str());
@@ -1869,7 +1869,7 @@ namespace AZ
         {
             AZStd::scoped_lock<AZStd::recursive_mutex> requestLock(m_activeBlockingRequestMutex);
 
-            auto inserted = m_activeBlockingRequests.insert(AZStd::make_pair(assetId, blockingRequest));
+            [[maybe_unused]] auto inserted = m_activeBlockingRequests.insert(AZStd::make_pair(assetId, blockingRequest));
             AZ_Assert(inserted.second, "Failed to track blocking request for asset %s", assetId.ToString<AZStd::string>().c_str());
         }
 

Code/Framework/AzCore/AzCore/IO/Streamer/FullFileDecompressor.cpp

@@ -45,8 +45,10 @@ namespace AZ
             }
         }
 
+#if AZ_STREAMER_ADD_EXTRA_PROFILING_INFO
         static constexpr char DecompBoundName[] = "Decompression bound";
         static constexpr char ReadBoundName[] = "Read bound";
+#endif // AZ_STREAMER_ADD_EXTRA_PROFILING_INFO
 
         bool FullFileDecompressor::DecompressionInformation::IsProcessing() const
         {

Code/Framework/AzCore/AzCore/IO/Streamer/Scheduler.cpp

@@ -14,8 +14,10 @@
 
 namespace AZ::IO
 {
+#if AZ_STREAMER_ADD_EXTRA_PROFILING_INFO
     static constexpr char SchedulerName[] = "Scheduler";
     static constexpr char ImmediateReadsName[] = "Immediate reads";
+#endif // AZ_STREAMER_ADD_EXTRA_PROFILING_INFO
 
     Scheduler::Scheduler(AZStd::shared_ptr<StreamStackEntry> streamStack, u64 memoryAlignment, u64 sizeAlignment, u64 granularity)
     {
@@ -337,7 +339,7 @@ namespace AZ::IO
         AZStd::chrono::system_clock::time_point now = AZStd::chrono::system_clock::now();
         auto visitor = [this, now](auto&& args) -> void
 #else
-        auto visitor = [this](auto&& args) -> void
+        auto visitor = [](auto&& args) -> void
 #endif
         {
             using Command = AZStd::decay_t<decltype(args)>;

Code/Framework/AzCore/AzCore/IO/Streamer/StreamerContext.cpp

@@ -17,10 +17,11 @@ namespace AZ
     namespace IO
     {
         static constexpr char ContextName[] = "Context";
+#if AZ_STREAMER_ADD_EXTRA_PROFILING_INFO
         static constexpr char PredictionAccuracyName[] = "Prediction accuracy (ms)";
         static constexpr char LatePredictionName[] = "Early completions";
         static constexpr char MissedDeadlinesName[] = "Missed deadlines";
-
+#endif // AZ_STREAMER_ADD_EXTRA_PROFILING_INFO
         StreamerContext::~StreamerContext()
         {
             for (FileRequest* entry : m_internalRecycleBin)

Code/Framework/AzCore/AzCore/Memory/OverrunDetectionAllocator.cpp

@@ -511,7 +511,7 @@ AZ::OverrunDetectionSchemaImpl::OverrunDetectionSchemaImpl(const OverrunDetectio
 {
     m_platformAllocator.reset(new Internal::PlatformOverrunDetectionSchema);
 
-    auto info = m_platformAllocator->GetSystemInformation();
+    [[maybe_unused]] auto info = m_platformAllocator->GetSystemInformation();
     AZ_Assert(info.m_pageSize == Internal::ODS_PAGE_SIZE, "System page size %d does not equal expected page size %d", info.m_pageSize, Internal::ODS_PAGE_SIZE);
     AZ_Assert(info.m_minimumAllocationSize == Internal::ODS_ALLOCATION_SIZE, "System minimum allocation size %d does not equal expected size %d", info.m_minimumAllocationSize, Internal::ODS_ALLOCATION_SIZE);
 

Code/Framework/AzCore/AzCore/Name/NameDictionary.cpp

@@ -87,7 +87,7 @@ namespace AZ
         {
             Internal::NameData* nameData = keyValue.second;
             const int useCount = keyValue.second->m_useCount;
-            const bool hadCollision = keyValue.second->m_hashCollision;
+            [[maybe_unused]] const bool hadCollision = keyValue.second->m_hashCollision;
 
             if (useCount == 0)
             {

Code/Framework/AzCore/AzCore/Serialization/Json/RegistrationContext.cpp

@@ -43,7 +43,7 @@ namespace AZ
 
             if (!overwriteExisting)
             {
-                auto emplaceResult = m_context->m_handledTypesMap.try_emplace(uuid, serializer);
+                [[maybe_unused]] auto emplaceResult = m_context->m_handledTypesMap.try_emplace(uuid, serializer);
                 AZ_Assert(
                     emplaceResult.second,
                     "Couldn't register Json serializer %s. Another serializer (%s) has already been registered for the same Uuid (%s).",

Code/Framework/AzCore/AzCore/Serialization/ObjectStream.cpp

@@ -1520,6 +1520,7 @@ namespace AZ
             {
                 if (m_writeElementResultStack.empty())
                 {
+                    AZ_UNUSED(classData); // Prevent unused warning in release builds
                     AZ_Error("Serialize", false, "CloseElement is attempted to be called without a corresponding WriteElement when writing class %s", classData->m_name);
                     return true;
                 }
@@ -1581,6 +1582,7 @@ namespace AZ
                     {
                         if (m_writeElementResultStack.empty())
                         {
+                            AZ_UNUSED(classData); // Prevent unused warning in release builds
                             AZ_Error("Serialize", false, "CloseElement is attempted to be called without a corresponding WriteElement when writing class %s", classData->m_name);
                             return true;
                         }
@@ -1644,6 +1646,7 @@ namespace AZ
                 {
                     if (m_writeElementResultStack.empty())
                     {
+                        AZ_UNUSED(classData); // Prevent unused warning in release builds
                         AZ_Error("Serialize", false, "CloseElement is attempted to be called without a corresponding WriteElement when writing class %s", classData->m_name);
                         return true;
                     }

Code/Framework/AzCore/AzCore/Slice/SliceComponent.cpp

@@ -3839,6 +3839,7 @@ namespace AZ
                 {
                     if (instance->GetId() == existingInstance.GetId())
                     {
+                        AZ_UNUSED(sliceReference); // Prevent unused warning in release builds
                         AZ_Warning("Slice", false, "Multiple slice instances with the same ID from slice %s were found. The last instance found has been loaded.",
                             sliceReference.GetSliceAsset().GetHint().c_str());
                         return true;

Code/Framework/AzCore/Platform/Mac/AzCore/Platform_Mac.cpp

@@ -32,7 +32,7 @@ namespace AZ
                 timespec wait;
                 wait.tv_sec = 0;
                 wait.tv_nsec = 5000;
-                int result = ::gethostuuid(hostId, &wait);
+                [[maybe_unused]] int result = ::gethostuuid(hostId, &wait);
                 AZ_Error("System", result == 0, "gethostuuid() failed with code %d", result);  
                 Sha1 hash;
                 AZ::u32 digest[5] = { 0 };

Code/Framework/AzFramework/AzFramework/Application/Application.cpp

@@ -72,7 +72,7 @@
 #include <cctype>
 #include <stdio.h>
 
-static const char* s_azFrameworkWarningWindow = "AzFramework";
+[[maybe_unused]] static const char* s_azFrameworkWarningWindow = "AzFramework";
 
 namespace AzFramework
 {
@@ -602,7 +602,7 @@ namespace AzFramework
 
     void Application::SetRootPath(RootPathType type, const char* source)
     {
-        const size_t sourceLen = strlen(source);
+        [[maybe_unused]] const size_t sourceLen = strlen(source);
 
         // Copy the source path to the intended root path and correct the path separators as well
         switch (type)

Code/Framework/AzFramework/AzFramework/Asset/Benchmark/BenchmarkCommands.cpp

@@ -43,7 +43,7 @@ namespace AzFramework::AssetBenchmark
         AZStd::thread benchmarkThread([assetList = AZStd::move(sourceAssetList), loadBlocking]()
         {
             // Define the set of loading stats to track
-            const size_t initialRequests = assetList.size();
+            [[maybe_unused]] const size_t initialRequests = assetList.size();
             size_t previouslyLoadedAssets = 0;
             size_t newlyLoadedAssets = 0;
             size_t loadErrors = 0;

Code/Framework/AzFramework/AzFramework/IO/RemoteFileIO.cpp

@@ -24,9 +24,9 @@ namespace AZ
     namespace IO
     {
         //////////////////////////////////////////////////////////////////////////
-        const char* const NetworkFileIOChannel = "NetworkFileIO";
+        [[maybe_unused]] const char* const NetworkFileIOChannel = "NetworkFileIO";
 #ifndef REMOTEFILEIO_IS_NETWORKFILEIO
-        const char* const RemoteFileIOChannel = "RemoteFileIO";
+        [[maybe_unused]] const char* const RemoteFileIOChannel = "RemoteFileIO";
     #ifdef REMOTEFILEIO_SYNC_CHECK
         const char* const RemoteFileCacheChannel = "RemoteFileCache";
     #endif

Code/Framework/AzFramework/AzFramework/Network/AssetProcessorConnection.cpp

@@ -177,7 +177,7 @@ namespace AzFramework
         //trying to connect, if any error occurs start the disconnect thread
         void AssetProcessorConnection::ConnectThread()
         {
-            static constexpr char ConnectThreadWindow[] = "AssetProcessorConnection::ConnectThread";
+            [[maybe_unused]] static constexpr char ConnectThreadWindow[] = "AssetProcessorConnection::ConnectThread";
 
             //check for join before doing an op
             if (m_connectThread.m_join)

Code/Framework/AzFramework/AzFramework/Visibility/VisibilityDebug.cpp

@@ -91,7 +91,7 @@ namespace AzFramework
                                          const AZ::Frustum::PlaneId planeId3)
         {
             AZ::Vector3 corner = AZ::Vector3::CreateZero();
-            const auto intersectionOkay = AZ::ShapeIntersection::IntersectThreePlanes(
+            [[maybe_unused]] const auto intersectionOkay = AZ::ShapeIntersection::IntersectThreePlanes(
                 frustum.GetPlane(planeId1), frustum.GetPlane(planeId2), frustum.GetPlane(planeId3), corner);
             AZ_Assert(intersectionOkay, "Plane intersection of Frustum failed");
 

Code/Framework/AzFramework/Platform/Android/AzFramework/Input/Devices/Motion/InputDeviceMotion_Android.cpp

@@ -175,7 +175,7 @@ namespace AzFramework
         m_packedSensorDataArray = new float[packedSensorDataLength];
 
         // create the java instance
-        bool ret = m_motionSensorManager->CreateInstance("(Landroid/app/Activity;)V", AZ::Android::Utils::GetActivityRef());
+        [[maybe_unused]] bool ret = m_motionSensorManager->CreateInstance("(Landroid/app/Activity;)V", AZ::Android::Utils::GetActivityRef());
         AZ_Assert(ret, "Failed to create the MotionSensorManager Java instance.");
     }
 

Code/Framework/AzFramework/Platform/Android/AzFramework/Input/Devices/VirtualKeyboard/InputDeviceVirtualKeyboard_Android.cpp

@@ -128,7 +128,7 @@ namespace AzFramework
         });
 
         // create the java instance
-        bool ret = m_keyboardHandler->CreateInstance("(Landroid/app/Activity;)V", AZ::Android::Utils::GetActivityRef());
+        [[maybe_unused]] bool ret = m_keyboardHandler->CreateInstance("(Landroid/app/Activity;)V", AZ::Android::Utils::GetActivityRef());
         AZ_Assert(ret, "Failed to create the KeyboardHandler Java instance.");
 
         // Connect to the raw input notifications bus

Code/Framework/AzFramework/Platform/Linux/AzFramework/Process/ProcessCommunicator_Linux.cpp

@@ -78,7 +78,7 @@ namespace AzFramework
             FD_ZERO(&set);
             FD_SET(handle->GetHandle(), &set);
 
-            int numReady = select(handle->GetHandle() + 1, &set, NULL, NULL, NULL);
+            [[maybe_unused]] int numReady = select(handle->GetHandle() + 1, &set, NULL, NULL, NULL);
 
             // if numReady == -1 and errno == EINTR then the child process died unexpectedly and
             // the handle was closed. Not something to assert about in regards to trying to read
@@ -87,7 +87,7 @@ namespace AzFramework
             // dead and return any error codes the child may have written to the error stream.
             AZ_Assert(numReady != -1 || errno == EINTR, "Could not determine if any data is available for reading due to an error. Errno: %d", errno);
 
-            const bool wasSet = FD_ISSET(handle->GetHandle(), &set);
+            [[maybe_unused]] const bool wasSet = FD_ISSET(handle->GetHandle(), &set);
             AZ_Assert(wasSet, "handle was not set when we selected it for read");
 
             return 0;

Code/Framework/AzFramework/Platform/Mac/AzFramework/Process/ProcessCommunicator_Mac.cpp

@@ -75,7 +75,7 @@ namespace AzFramework
             FD_ZERO(&set);
             FD_SET(handle->GetHandle(), &set);
 
-            int numReady = select(handle->GetHandle() + 1, &set, NULL, NULL, NULL);
+            [[maybe_unused]] int numReady = select(handle->GetHandle() + 1, &set, NULL, NULL, NULL);
 
             // if numReady == -1 and errno == EINTR then the child process died unexpectedly and
             // the handle was closed. Not something to assert about in regards to trying to read
@@ -84,7 +84,7 @@ namespace AzFramework
             // dead and return any error codes the child may have written to the error stream.
             AZ_Assert(numReady != -1 || errno == EINTR, "Could not determine if any data is available for reading due to an error. Errno: %d", errno);
 
-            const bool wasSet = FD_ISSET(handle->GetHandle(), &set);
+            [[maybe_unused]] const bool wasSet = FD_ISSET(handle->GetHandle(), &set);
             AZ_Assert(wasSet, "handle was not set when we selected it for read");
 
             return 0;

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/Link/Link.cpp

@@ -181,10 +181,10 @@ namespace AzToolsFramework
                     PrefabDomUtils::ApplyPatches(sourceTemplateDomCopy, targetTemplatePrefabDom.GetAllocator(), patchesReference->get());
                 linkedInstanceDom.CopyFrom(sourceTemplateDomCopy, targetTemplatePrefabDom.GetAllocator());
 
-                PrefabDomValueReference sourceTemplateName =
+                [[maybe_unused]] PrefabDomValueReference sourceTemplateName =
                     PrefabDomUtils::FindPrefabDomValue(sourceTemplateDomCopy, PrefabDomUtils::SourceName);
                 AZ_Assert(sourceTemplateName && sourceTemplateName->get().IsString(), "A valid source template name couldn't be found");
-                PrefabDomValueReference targetTemplateName =
+                [[maybe_unused]] PrefabDomValueReference targetTemplateName =
                     PrefabDomUtils::FindPrefabDomValue(targetTemplatePrefabDom, PrefabDomUtils::SourceName);
                 AZ_Assert(targetTemplateName && targetTemplateName->get().IsString(), "A valid target template name couldn't be found");
 

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp

@@ -1259,12 +1259,12 @@ namespace AzToolsFramework
                     auto& containerEntity = *containerEntityPtr.release();
                     auto editorPrefabComponent = containerEntity.FindComponent<EditorPrefabComponent>();
                     containerEntity.Deactivate();
-                    const bool editorPrefabComponentRemoved = containerEntity.RemoveComponent(editorPrefabComponent);
+                    [[maybe_unused]] const bool editorPrefabComponentRemoved = containerEntity.RemoveComponent(editorPrefabComponent);
                     AZ_Assert(editorPrefabComponentRemoved, "Remove EditorPrefabComponent failed.");
                     delete editorPrefabComponent;
                     containerEntity.Activate();
 
-                    const bool containerEntityAdded = parentInstance.AddEntity(containerEntity);
+                    [[maybe_unused]] const bool containerEntityAdded = parentInstance.AddEntity(containerEntity);
                     AZ_Assert(containerEntityAdded, "Add target Instance's container entity to its parent Instance failed.");
 
                     EntityIdList entityIds;
@@ -1281,7 +1281,7 @@ namespace AzToolsFramework
                         [&](AZStd::unique_ptr<AZ::Entity> entityPtr)
                     {
                         auto& entity = *entityPtr.release();
-                        const bool entityAdded = parentInstance.AddEntity(entity);
+                        [[maybe_unused]] const bool entityAdded = parentInstance.AddEntity(entity);
                         AZ_Assert(entityAdded, "Add target Instance's entity to its parent Instance failed.");
 
                         entityIds.emplace_back(entity.GetId());

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabSystemComponent.cpp

@@ -783,7 +783,7 @@ namespace AzToolsFramework
 
             PrefabDomValue& instance = instanceIterator->value;
             AZ_Assert(instance.IsObject(), "Nested instance DOM provided is not a valid JSON object.");
-            PrefabDomValueReference sourceTemplateName = PrefabDomUtils::FindPrefabDomValue(instance, PrefabDomUtils::SourceName);
+            [[maybe_unused]] PrefabDomValueReference sourceTemplateName = PrefabDomUtils::FindPrefabDomValue(instance, PrefabDomUtils::SourceName);
             AZ_Assert(sourceTemplateName, "Couldn't find source template name in the DOM of the nested instance while creating a link.");
             AZ_Assert(
                 sourceTemplateName->get() == sourceTemplate.GetFilePath().c_str(),

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabUndo.cpp

@@ -262,7 +262,7 @@ namespace AzToolsFramework
             instanceDom.CopyFrom(instanceDomRef->get(), instanceDom.GetAllocator());
 
             //apply the patch to the template within the target
-            AZ::JsonSerializationResult::ResultCode result = PrefabDomUtils::ApplyPatches(instanceDom, instanceDom.GetAllocator(), patch);
+            [[maybe_unused]] AZ::JsonSerializationResult::ResultCode result = PrefabDomUtils::ApplyPatches(instanceDom, instanceDom.GetAllocator(), patch);
 
             AZ_Error(
                 "Prefab",

Code/Framework/AzToolsFramework/AzToolsFramework/UI/Slice/SlicePushWidget.cpp

@@ -2525,7 +2525,7 @@ namespace AzToolsFramework
     {
         // This is an approximate measurement of how much this slice proliferates within the currently-loaded level.
         // Down the line we'll actually query the asset DB's dependency tree, summing up instances.
-
+        AZ_UNUSED(levelSlice); // Prevent unused warning in release builds
         AZ_Warning("SlicePush", levelSlice, "SlicePushWidget::CalculateReferenceCount could not find root slice, displayed counts will be inaccurate!");
         size_t instanceCount = 0;
         AZ::Data::AssetBus::EnumerateHandlersId(assetId,

Code/Framework/AzToolsFramework/Tests/Prefab/PrefabUndoLinkTests.cpp

@@ -97,7 +97,7 @@ namespace UnitTest
 
         //apply the patch
         PrefabDom& templateDomReference = m_prefabSystemComponent->FindTemplateDom(nestedTemplateId);
-        AZ::JsonSerializationResult::ResultCode result =
+        [[maybe_unused]] AZ::JsonSerializationResult::ResultCode result =
             PrefabDomUtils::ApplyPatches(templateDomReference, templateDomReference.GetAllocator(), patch);
 
         AZ_Error("Prefab", result.GetOutcome() == AZ::JsonSerializationResult::Outcomes::Success,

Code/Framework/GridMate/GridMate/Carrier/Carrier.cpp

@@ -1452,7 +1452,7 @@ void CarrierThread::NotifyRateUpdate(ThreadConnection* conn)
     float rtt = lifetime.m_rtt > 1.f ? lifetime.m_rtt : 100.f; //For unknown RTT use conservative 100ms to avoid buffer bloat
                                                                 //Note: using lifetime RTT as stand-in for smoothed RTT
     float ratef = (1010 * (cState.m_congestionWindow)) / rtt;   //Add 10% to allow rate increases until buffer fills up
-    constexpr float max_rate = azlossy_cast<float>(0x7FFFFFFF);
+    [[maybe_unused]] constexpr float max_rate = azlossy_cast<float>(0x7FFFFFFF);
     AZ_Assert(ratef <= max_rate, " ratef %f > 0x7FFFFFFF", ratef);
     bytesPerSecond = static_cast<AZ::u32>(ratef);
 

Code/Legacy/CrySystem/ConsoleBatchFile.cpp

@@ -87,7 +87,7 @@ bool CConsoleBatchFile::ExecuteConfigFile(const char* sFilename)
     CCryFile file;
 
     {
-        const char* szLog = "Executing console batch file (try game,config,root):";
+        [[maybe_unused]] const char* szLog = "Executing console batch file (try game,config,root):";
         AZStd::string filenameLog;
         AZStd::string sfn = PathUtil::GetFile(filename);
 

Code/Legacy/CrySystem/LocalizedStringManager.cpp

@@ -32,8 +32,11 @@
 #define MAX_CELL_COUNT 32
 
 // CVAR names
+#if !defined(_RELEASE)
 const char c_sys_localization_debug[] = "sys_localization_debug";
 const char c_sys_localization_encode[] = "sys_localization_encode";
+#endif // !defined(_RELEASE)
+
 #define LOC_WINDOW "Localization"
 const char c_sys_localization_format[] = "sys_localization_format";
 
@@ -1754,7 +1757,7 @@ void CLocalizedStringsManager::ReloadData()
 void CLocalizedStringsManager::AddLocalizedString(SLanguage* pLanguage, SLocalizedStringEntry* pEntry, const uint32 keyCRC32)
 {
     pLanguage->m_vLocalizedStrings.push_back(pEntry);
-    int nId = (int)pLanguage->m_vLocalizedStrings.size() - 1;
+    [[maybe_unused]] int nId = (int)pLanguage->m_vLocalizedStrings.size() - 1;
     pLanguage->m_keysMap[keyCRC32] = pEntry;
 
     if (m_cvarLocalizationDebug >= 2)

Code/Legacy/CrySystem/Log.cpp

@@ -744,7 +744,7 @@ void CLog::LogToConsolePlus(const char* szFormat, ...)
 
 
 //////////////////////////////////////////////////////////////////////
-static void RemoveColorCodeInPlace(CLog::LogStringType& rStr)
+[[maybe_unused]] static void RemoveColorCodeInPlace(CLog::LogStringType& rStr)
 {
     char* s = (char*)rStr.c_str();
     char* d = s;

Code/Legacy/CrySystem/System.cpp

@@ -1465,7 +1465,7 @@ void CSystem::SetSystemGlobalState(const ESystemGlobalState systemGlobalState)
         if (gEnv && gEnv->pTimer)
         {
             const CTimeValue endTime = gEnv->pTimer->GetAsyncTime();
-            const float numSeconds = endTime.GetDifferenceInSeconds(s_startTime);
+            [[maybe_unused]] const float numSeconds = endTime.GetDifferenceInSeconds(s_startTime);
             CryLog("SetGlobalState %d->%d '%s'->'%s' %3.1f seconds",
                 m_systemGlobalState, systemGlobalState,
                 CSystem::GetSystemGlobalStateName(m_systemGlobalState), CSystem::GetSystemGlobalStateName(systemGlobalState),

Code/Legacy/CrySystem/SystemCFG.cpp

@@ -180,7 +180,7 @@ void CSystem::LogVersion()
     strftime(s, 128, "%d %b %y (%H %M %S)", today);
 #endif
 
-    const SFileVersion& ver = GetFileVersion();
+    [[maybe_unused]] const SFileVersion& ver = GetFileVersion();
 
     CryLogAlways("BackupNameAttachment=\" Build(%d) %s\"  -- used by backup system\n", ver.v[0], s);          // read by CreateBackupFile()
 
@@ -251,7 +251,7 @@ void CSystem::LogVersion()
 //////////////////////////////////////////////////////////////////////////
 void CSystem::LogBuildInfo()
 {
-    auto projectName = AZ::Utils::GetProjectName();
+    [[maybe_unused]] auto projectName = AZ::Utils::GetProjectName();
     CryLogAlways("GameName: %s", projectName.c_str());
     CryLogAlways("BuildTime: " __DATE__ " " __TIME__);
 }

Code/Legacy/CrySystem/SystemInit.cpp

@@ -257,8 +257,8 @@ static void CmdCrashTest(IConsoleCmdArgs* pArgs)
         {
             float a = 1.0f;
             memset(&a, 0, sizeof(a));
-            float* b = &a;
-            float c = 3;
+            [[maybe_unused]] float* b = &a;
+            [[maybe_unused]] float c = 3;
             CryLog("%f", (c / *b));
         }
         break;

Code/Legacy/CrySystem/Timer.cpp

@@ -550,7 +550,7 @@ void CTimer::Serialize(TSerialize ser)
 
         if (m_TimeDebug)
         {
-            const int64 now = CryGetTicks();
+            [[maybe_unused]] const int64 now = CryGetTicks();
             CryLogAlways("[CTimer]: Serialize: Last=%lld Now=%lld Off=%lld Async=%f CurrTime=%f UI=%f", (long long)m_lLastTime, (long long)now, (long long)m_lOffsetTime, GetAsyncCurTime(), GetCurrTime(ETIMER_GAME), GetCurrTime(ETIMER_UI));
         }
     }
@@ -700,8 +700,8 @@ void CTimer::EnableFixedTimeMode([[maybe_unused]] bool enable, [[maybe_unused]]
 
 void CTimer::SetOffsetToMatchGameTime(int64 ticks)
 {
-    const int64 previousOffset = m_lOffsetTime;
-    const float previousGameTime = GetCurrTime(ETIMER_GAME);
+    [[maybe_unused]] const int64 previousOffset = m_lOffsetTime;
+    [[maybe_unused]] const float previousGameTime = GetCurrTime(ETIMER_GAME);
 
     m_lOffsetTime = ticks - m_lLastTime;
     RefreshGameTime(m_lLastTime);

Code/Tools/AssetBundler/source/utils/applicationManager.cpp

@@ -1399,7 +1399,7 @@ namespace AssetBundler
             AZStd::string_view{ AZ::Utils::GetEnginePath() },
             AZStd::string_view{ AZ::Utils::GetEnginePath() },
             AZStd::string_view{ AZ::Utils::GetProjectPath() });
-        auto platformsString = AzFramework::PlatformHelper::GetCommaSeparatedPlatformList(platformFlags);
+        [[maybe_unused]] auto platformsString = AzFramework::PlatformHelper::GetCommaSeparatedPlatformList(platformFlags);
 
         AZ_TracePrintf(AppWindowName, "No platform specified, defaulting to platforms ( %s ).\n", platformsString.c_str());
         return platformFlags;

Code/Tools/SceneAPI/SceneBuilder/Importers/AssImpColorStreamImporter.cpp

@@ -57,7 +57,7 @@ namespace AZ
 
                 // This node has at least one mesh, verify that the color channel counts are the same for all meshes.
                 const unsigned int expectedColorChannels = scene->mMeshes[currentNode->mMeshes[0]]->GetNumColorChannels();
-                const bool allMeshesHaveSameNumberOfColorChannels =
+                [[maybe_unused]] const bool allMeshesHaveSameNumberOfColorChannels =
                     AZStd::all_of(currentNode->mMeshes + 1, currentNode->mMeshes + currentNode->mNumMeshes, [scene, expectedColorChannels](const unsigned int meshIndex)
                         {
                             return scene->mMeshes[meshIndex]->GetNumColorChannels() == expectedColorChannels;

Code/Tools/Standalone/Source/LUA/LUAEditorContext.cpp

@@ -1020,7 +1020,7 @@ namespace LUAEditor
     {
         AZ_TracePrintf(LUAEditorDebugName, AZStd::string::format("LUAEditor OnSaveDocumentAs" "%s\n", assetId.c_str()).c_str());
 
-        DocumentInfoMap::iterator docInfoIter = m_documentInfoMap.find(assetId);
+        [[maybe_unused]] DocumentInfoMap::iterator docInfoIter = m_documentInfoMap.find(assetId);
         AZ_Assert(docInfoIter != m_documentInfoMap.end(), "LUAEditor OnSaveDocumentAs() : Cant find Document Info.");
 
         OnSaveDocument(assetId, bCloseAfterSave, true);