Fix segfault when using Python's -threads options and exceptions are thrown

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@11980 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/python/threads_exception_runme.py

@@ -0,0 +1,36 @@
+import threads_exception
+
+t = threads_exception.Test()
+try:
+  t.unknown()
+except RuntimeError,e:
+  pass
+
+try:
+  t.simple()
+except RuntimeError,e:
+  if e.args[0] != 37:
+    raise RuntimeError
+
+try:
+  t.message()
+except RuntimeError,e:
+  if e.args[0] != "I died.":
+    raise RuntimeError
+
+try:
+  t.hosed()
+except threads_exception.Exc,e:
+  if e.code != 42:
+    raise RuntimeError
+  if e.msg != "Hosed":
+    raise RuntimeError
+
+for i in range(1,4):
+  try:
+    t.multi(i)
+  except RuntimeError,e:
+    pass
+  except threads_exception.Exc,e:
+    pass
+