Lldb: Don't trigger continuations when already shutting down

Task-number: QTCREATORBUG-14219
Change-Id: Ic4dc3bd3f429164f3e56a43dd2b20d409d69fa49
Reviewed-by: hjk <hjk@theqtcompany.com>

share/qtcreator/debugger/lldbbridge.py

@@ -904,7 +904,7 @@ class Dumper(DumperBase):
             self.report('token(\"%s\")' % args["token"])
 
     def reportContinuation(self, args):
-        if "continuation" in args:
+        if not self.isShuttingDown_ and "continuation" in args:
             self.report('continuation=\"%s\"' % args["continuation"])
 
     def extractBlob(self, base, size):