diff --git a/.github/workflows/build_viewer.yml b/.github/workflows/build_viewer.yml
index 730a41734c..ec713bd5d4 100644
--- a/.github/workflows/build_viewer.yml
+++ b/.github/workflows/build_viewer.yml
@@ -20,7 +20,7 @@ on:
     - cron: '00 03 * * *' # Run every day at 3am UTC
 env:
   AUTOBUILD_VARIABLES_FILE: ${{github.workspace}}/build-variables/variables
-  EXTRA_ARGS: -DUSE_FMODSTUDIO=ON -DUSE_KDU=ON --crashreporting
+  EXTRA_ARGS: -DUSE_FMODSTUDIO=ON -DUSE_KDU=ON --crashreporting --lto
   build_secrets_checkout: ${{github.workspace}}/signing
   XZ_DEFAULTS: -T0
   FS_RELEASE_TYPE: Unknown
diff --git a/indra/newview/omnifilter.h b/indra/newview/omnifilter.h
index e8b2782f09..93cec0be3d 100644
--- a/indra/newview/omnifilter.h
+++ b/indra/newview/omnifilter.h
@@ -54,7 +54,7 @@ public:
     LLScrollListItem* addNeedle(const std::string& name, const OmnifilterEngine::Needle& needle);
     // Supports Notecard drag and drop for importing.
     bool handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop, EDragAndDropType cargo_type, void* cargo_data, EAcceptance* accept,
-                           std::string& tooltip_msg);
+                           std::string& tooltip_msg) override;
 
 protected:
     OmnifilterEngine::Needle* getSelectedNeedle();