const refs are good.

indra/llcommon/lldate.cpp

indra/llcommon/lldate.h

indra/llcommon/lltreeiterators.h

indra/llrender/llgl.cpp

indra/llrender/llgl.h

indra/llrender/llglslshader.cpp

indra/llrender/llglslshader.h

indra/llui/llurlregistry.cpp

indra/llxml/llxmlnode.h

indra/newview/llagent.cpp

indra/newview/llaoengine.cpp

indra/newview/llavataractions.cpp

indra/newview/llteleporthistorystorage.h

indra/newview/llvoavatar.cpp

indra/newview/llvoavatar.h

indra/newview/llwlparammanager.h

indra/newview/pipeline.cpp

indra/newview/pipeline.h