merge up to latest viewer-development

1 files changed, 13 insertions, 0 deletions

diff --git a/indra/newview/llchiclet.cpp b/indra/newview/llchiclet.cpp
index a076374903..aabab0ccb9 100644
--- a/indra/newview/llchiclet.cpp
+++ b/indra/newview/llchiclet.cpp
@@ -250,6 +250,12 @@ LLIMWellChiclet::LLIMWellChiclet(const Params& p)
 
 LLIMWellChiclet::~LLIMWellChiclet()
 {
+	LLIMWellWindow* im_well_window = LLIMWellWindow::findInstance();
+	if (im_well_window)
+	{
+		im_well_window->setSysWellChiclet(NULL);
+	}
+
 	LLIMMgr::getInstance()->removeSessionObserver(this);
 }
 
@@ -296,6 +302,13 @@ void LLIMWellChiclet::createMenu()
 
 void LLIMWellChiclet::messageCountChanged(const LLSD& session_data)
 {
+	// The singleton class LLChicletBar instance might be already deleted
+	// so don't create a new one.
+	if (!LLChicletBar::instanceExists())
+	{
+		return;
+	}
+
 	const LLUUID& session_id = session_data["session_id"];
 	const S32 counter = LLChicletBar::getInstance()->getTotalUnreadIMCount();
 	const bool im_not_visible = !LLFloaterReg::instanceVisible("im_container")