Merged in lindenlab/viewer-lynx

indra/llui/llview.cpp

@@ -588,6 +588,11 @@ void LLView::onVisibilityChange ( BOOL new_visibility )
 	BOOL log_visibility_change = LLViewerEventRecorder::instance().getLoggingStatus();
 	BOOST_FOREACH(LLView* viewp, mChildList)
 	{
+		if (!viewp)
+		{
+			continue;
+		}
+
 		// only views that are themselves visible will have their overall visibility affected by their ancestors
 		old_visibility=viewp->getVisible();
 

indra/newview/llinspectremoteobject.cpp

@@ -181,7 +181,7 @@ void LLInspectRemoteObject::update()
 	getChild<LLUICtrl>("map_btn")->setEnabled(! mSLurl.empty());
 
 	// disable the Block button if we don't have the object ID (will this ever happen?)
-	getChild<LLUICtrl>("block_btn")->setEnabled(! mObjectID.isNull());
+	getChild<LLUICtrl>("block_btn")->setEnabled(!mObjectID.isNull() && !LLMuteList::getInstance()->isMuted(mObjectID));
 }
 
 //////////////////////////////////////////////////////////////////////////////

indra/newview/llmeshrepository.cpp

@@ -4034,6 +4034,11 @@ void LLMeshRepository::uploadError(LLSD& args)
 //static
 F32 LLMeshRepository::getStreamingCost(LLSD& header, F32 radius, S32* bytes, S32* bytes_visible, S32 lod, F32 *unscaled_value)
 {
+	if (header.size() == 0)
+	{
+		return 0.f;
+	}
+
 	F32 max_distance = 512.f;
 
 	F32 dlowest = llmin(radius/0.03f, max_distance);