Verify that "py-bt" indicates threads that are waiting for the GIL ... FAIL

FAIL: test_threads (test.test_gdb.PyBtTests)
Verify that "py-bt" indicates threads that are waiting for the GIL
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/test/test_gdb.py", line 717, in test_threads
    self.assertIn('Waiting for the GIL', gdb_output)
AssertionError: 'Waiting for the GIL' not found in 'Breakpoint 1 at 0x100ee8b0: file Python/bltinmodule.c, line 967.\n[Thread debugging using libthread_db enabled]\nUsing host libthread_db library "/lib64/libthread_db.so.1".\n[New Thread 0x3fffb14af200 (LWP 1699)]\n[New Thread 0x3fffb0caf200 (LWP 1703)]\n[New Thread 0x3fffabfff200 (LWP 1711)]\n[New Thread 0x3fffab7ff200 (LWP 1730)]\n\nBreakpoint 1, builtin_id (self=<module at remote 0x3fffb17dc058>, v=42) at Python/bltinmodule.c:967\n967\t    return PyLong_FromVoidPtr(v);\n\nThread 5 (Thread 0x3fffab7ff200 (LWP 1730)):\nTraceback (most recent call first):\n  File "<string>", line 10, in run\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 642, in _bootstrap_inner\n    self.run()\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 619, in _bootstrap\n    self._bootstrap_inner()\n\nThread 4 (Thread 0x3fffabfff200 (LWP 1711)):\nTraceback (most recent call first):\n  File "<string>", line 10, in run\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 642, in _bootstrap_inner\n    self.run()\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 619, in _bootstrap\n    self._bootstrap_inner()\n\nThread 3 (Thread 0x3fffb0caf200 (LWP 1703)):\nTraceback (most recent call first):\n  File "<string>", line 10, in run\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 642, in _bootstrap_inner\n    self.run()\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 619, in _bootstrap\n    self._bootstrap_inner()\n\nThread 2 (Thread 0x3fffb14af200 (LWP 1699)):\nTraceback (most recent call first):\n  File "<string>", line 10, in run\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 642, in _bootstrap_inner\n    self.run()\n  File "/home/shager/cpython-buildarea/3.x.edelsohn-powerlinux-ppc64/build/Lib/threading.py", line 619, in _bootstrap\n    self._bootstrap_inner()\n\nThread 1 (Thread 0x8074e46670 (LWP 1616)):\nTraceback (most recent call first):\n  File "<string>", line 18, in <module>\n'