RaiseException on voiceControlCoro

For some reason try block from voiceControlCoro doesn't trigger, but one
from toplevel does and claim that it's voiceControlCoro, logs also
suggest that vivox was doing an outgoing call. This is mostly to get
evidence.

Author: akleshchev

indra/newview/llviewerobjectlist.cpp

@@ -402,7 +402,7 @@ void LLViewerObjectList::processObjectUpdate(LLMessageSystem *mesgsys,
 
     LLViewerObject *objectp;
     S32         num_objects;
-    U32         local_id;
+    U32         local_id = 0;
     LLPCode     pcode = 0;
     LLUUID      fullid;
     S32         i;

indra/newview/llvoicevivox.cpp

@@ -2024,23 +2024,48 @@ bool LLVivoxVoiceClient::waitForChannel()
                     llcoro::suspend();
                     break;
                 }
-                sessionStatePtr_t joinSession = mNextAudioSession;
-                mNextAudioSession.reset();
-                mIsProcessingChannels = true;
-                if (!runSession(joinSession)) //suspends
+
+                try
                 {
-                    mIsProcessingChannels = false;
-                    LL_DEBUGS("Voice") << "runSession returned false; leaving inner loop" << LL_ENDL;
-                    break;
+                    sessionStatePtr_t joinSession = mNextAudioSession;
+                    mNextAudioSession.reset();
+                    mIsProcessingChannels = true;
+                    if (!runSession(joinSession)) //suspends
+                    {
+                        mIsProcessingChannels = false;
+                        LL_DEBUGS("Voice") << "runSession returned false; leaving inner loop" << LL_ENDL;
+                        break;
+                    }
+                    else
+                    {
+                        mIsProcessingChannels = false;
+                        LL_DEBUGS("Voice")
+                            << "runSession returned true to inner loop"
+                            << " RelogRequested=" << mRelogRequested
+                            << " VoiceEnabled=" << mVoiceEnabled
+                            << LL_ENDL;
+                    }
                 }
-                else
+                catch (const LLCoros::Stop&)
+                {
+                    LL_DEBUGS("LLVivoxVoiceClient") << "Received a shutdown exception" << LL_ENDL;
+                }
+                catch (const LLContinueError&)
+                {
+                    LOG_UNHANDLED_EXCEPTION("LLVivoxVoiceClient");
+                }
+                catch (...)
                 {
-                    mIsProcessingChannels = false;
-                    LL_DEBUGS("Voice")
-                        << "runSession returned true to inner loop"
-                        << " RelogRequested=" << mRelogRequested
-                        << " VoiceEnabled=" << mVoiceEnabled
+                    // Ideally for Windows need to log SEH exception instead or to set SEH
+                    // handlers but bugsplat shows local variables for windows, which should
+                    // be enough
+                    LL_WARNS("Voice") << "voiceControlStateMachine crashed in state VOICE_CHANNEL_STATE_PROCESS_CHANNEL"
+                        << " mRelogRequested " << mRelogRequested
+                        << " mVoiceEnabled " << mVoiceEnabled
+                        << " mIsProcessingChannels " << mIsProcessingChannels
+                        << " mProcessChannels " << mProcessChannels
                         << LL_ENDL;
+                    throw;
                 }
             }