8 files changed, 57 insertions, 0 deletions
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 08a6c20acf..30fb0be46c 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -5445,6 +5445,13 @@ void LLAppViewer::forceErrorSoftwareException()
     LLTHROW(LLException("User selected Force Software Exception"));
 }
 
+void LLAppViewer::forceErrorOSSpecificException()
+{
+    // Virtual, MacOS only
+    const std::string exception_text = "User selected Force OS Exception, Not implemented on this OS";
+    throw std::runtime_error(exception_text);
+}
+
 void LLAppViewer::forceErrorDriverCrash()
 {
    	LL_WARNS() << "Forcing a deliberate driver crash" << LL_ENDL;
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index 6d1496d517..c5faa67120 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -156,6 +156,7 @@ public:
     virtual void forceErrorBadMemoryAccess();
     virtual void forceErrorInfiniteLoop();
     virtual void forceErrorSoftwareException();
+    virtual void forceErrorOSSpecificException();
     virtual void forceErrorDriverCrash();
     virtual void forceErrorCoroutineCrash();
     virtual void forceErrorThreadCrash();
diff --git a/indra/newview/llappviewermacosx-objc.h b/indra/newview/llappviewermacosx-objc.h
index c6dcec8e34..3721151aba 100644
--- a/indra/newview/llappviewermacosx-objc.h
+++ b/indra/newview/llappviewermacosx-objc.h
@@ -33,4 +33,6 @@
 //Why?  Because BOOL
 void launchApplication(const std::string* app_name, const std::vector<std::string>* args);
 
+void force_ns_sxeption();
+
 #endif // LL_LLAPPVIEWERMACOSX_OBJC_H
diff --git a/indra/newview/llappviewermacosx-objc.mm b/indra/newview/llappviewermacosx-objc.mm
index 17301847e8..5d9ca24db2 100644
--- a/indra/newview/llappviewermacosx-objc.mm
+++ b/indra/newview/llappviewermacosx-objc.mm
@@ -71,3 +71,9 @@ void launchApplication(const std::string* app_name, const std::vector<std::strin
     [pool release];
 	return;
 }
+
+void force_ns_sxeption()
+{
+    NSException *exception = [NSException exceptionWithName:@"Forced NSException" reason:nullptr userInfo:nullptr];
+    @throw exception;
+}
diff --git a/indra/newview/llappviewermacosx.cpp b/indra/newview/llappviewermacosx.cpp
index 8b313a321b..c42c3b3daf 100644
--- a/indra/newview/llappviewermacosx.cpp
+++ b/indra/newview/llappviewermacosx.cpp
@@ -250,6 +250,11 @@ bool LLAppViewerMacOSX::init()
     return LLAppViewer::init();
 }
 
+void LLAppViewerMacOSX::forceErrorOSSpecificException()
+{
+    force_ns_sxeption();
+}
+
 // MacOSX may add and addition command line arguement for the process serial number.
 // The option takes a form like '-psn_0_12345'. The following method should be able to recognize
 // and either ignore or return a pair of values for the option.
diff --git a/indra/newview/llappviewermacosx.h b/indra/newview/llappviewermacosx.h
index b0e325a955..15c55c44a6 100644
--- a/indra/newview/llappviewermacosx.h
+++ b/indra/newview/llappviewermacosx.h
@@ -42,6 +42,8 @@ public:
 	//
 	virtual bool init();			// Override to do application initialization
 
+    virtual void forceErrorOSSpecificException();
+
 protected:
 	virtual bool restoreErrorTrap();
 
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 11eed8f456..3e307c9f4e 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -292,6 +292,7 @@ void force_error_llerror(void *);
 void force_error_bad_memory_access(void *);
 void force_error_infinite_loop(void *);
 void force_error_software_exception(void *);
+void force_error_os_exception(void*);
 void force_error_driver_crash(void *);
 void force_error_coroutine_crash(void *);
 void force_error_thread_crash(void *);
@@ -2419,6 +2420,15 @@ class LLAdvancedForceErrorSoftwareException : public view_listener_t
 	}
 };
 
+class LLAdvancedForceOSException: public view_listener_t
+{
+    bool handleEvent(const LLSD& userdata)
+    {
+        force_error_os_exception(NULL);
+        return true;
+    }
+};
+
 class LLAdvancedForceErrorSoftwareExceptionCoro : public view_listener_t
 {
     bool handleEvent(const LLSD& userdata)
@@ -3200,6 +3210,15 @@ bool enable_object_select_in_pathfinding_characters()
 	return LLPathfindingManager::getInstance()->isPathfindingEnabledForCurrentRegion() &&  LLSelectMgr::getInstance()->selectGetViewableCharacters();
 }
 
+bool enable_os_exception()
+{
+#if LL_DARWIN
+    return true;
+#else
+    return false;
+#endif
+}
+
 class LLSelfRemoveAllAttachments : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
@@ -8371,6 +8390,11 @@ void force_error_software_exception(void *)
     LLAppViewer::instance()->forceErrorSoftwareException();
 }
 
+void force_error_os_exception(void*)
+{
+    LLAppViewer::instance()->forceErrorOSSpecificException();
+}
+
 void force_error_driver_crash(void *)
 {
     LLAppViewer::instance()->forceErrorDriverCrash();
@@ -9598,6 +9622,7 @@ void initialize_menus()
 	view_listener_t::addMenu(new LLAdvancedForceErrorBadMemoryAccessCoro(), "Advanced.ForceErrorBadMemoryAccessCoro");
 	view_listener_t::addMenu(new LLAdvancedForceErrorInfiniteLoop(), "Advanced.ForceErrorInfiniteLoop");
 	view_listener_t::addMenu(new LLAdvancedForceErrorSoftwareException(), "Advanced.ForceErrorSoftwareException");
+    view_listener_t::addMenu(new LLAdvancedForceOSException(), "Advanced.ForceErrorOSException");
 	view_listener_t::addMenu(new LLAdvancedForceErrorSoftwareExceptionCoro(), "Advanced.ForceErrorSoftwareExceptionCoro");
 	view_listener_t::addMenu(new LLAdvancedForceErrorDriverCrash(), "Advanced.ForceErrorDriverCrash");
     view_listener_t::addMenu(new LLAdvancedForceErrorCoroutineCrash(), "Advanced.ForceErrorCoroutineCrash");
@@ -9779,6 +9804,7 @@ void initialize_menus()
 	enable.add("VisibleSelectInPathfindingLinksets", boost::bind(&visible_object_select_in_pathfinding_linksets));
 	commit.add("Pathfinding.Characters.Select", boost::bind(&LLFloaterPathfindingCharacters::openCharactersWithSelectedObjects));
 	enable.add("EnableSelectInPathfindingCharacters", boost::bind(&enable_object_select_in_pathfinding_characters));
+    enable.add("Advanced.EnableErrorOSException", boost::bind(&enable_os_exception));
 
 	view_listener_t::addMenu(new LLFloaterVisible(), "FloaterVisible");
 	view_listener_t::addMenu(new LLShowSidetrayPanel(), "ShowSidetrayPanel");
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 2c26296547..910c2a969c 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -2755,6 +2755,14 @@ function="World.EnvPreset"
                  function="Advanced.ForceErrorSoftwareException" />
             </menu_item_call>
             <menu_item_call
+             label="Force OS Exception"
+             name="Force OS Exception">
+                <menu_item_call.on_click
+                 function="Advanced.ForceErrorOSException" />
+                <menu_item_call.on_visible
+                 function="Advanced.EnableErrorOSException" />
+            </menu_item_call>            
+            <menu_item_call
              label="Force a Crash in a Coroutine"
              name="Force a Crash in a Coroutine">
                 <menu_item_call.on_click