If the threads module hasn't been initialized yet then we can assume

the IsMain == true.  This allows wxASSERTs that happen before the
wxApp is created (as can easily happen in wxPython unfortunatly) to
behave normally instead of just calling wxTrap.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27344 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/thread.cpp

@@ -1197,7 +1197,7 @@ wxThread *wxThread::This()
 
 bool wxThread::IsMain()
 {
-	return GetCurrentId() == gs_idMainThread;
+	return GetCurrentId() == gs_idMainThread || gs_idMainThread == kNoThreadID;
 }
 
 #ifdef Yield