POWER6 AIX 3.9:
https://buildbot.python.org/all/#/builders/330/builds/221

test.pythoninfo:

platform.architecture: 32bit
platform.platform: AIX-2-00F9C1964C00-powerpc-32bit
tkinter.TCL_VERSION: 8.4
tkinter.TK_VERSION: 8.4
tkinter.info_patchlevel: 8.5.9

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FAIL: test_expr_bignum (test.test_tcl.TclTest)
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Traceback (most recent call last):
  File "/home/aixtools/buildarea/3.9.aixtools-aix-power6/build/Lib/test/test_tcl.py", line 441, in test_expr_bignum
    self.assertEqual(result, i)
AssertionError: <bignum object: '9223372036854775808'> != 9223372036854775808

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FAIL: test_getint (test.test_tcl.TclTest)
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Traceback (most recent call last):
  File "/home/aixtools/buildarea/3.9.aixtools-aix-power6/build/Lib/test/test_tcl.py", line 148, in test_getint
    self.assertEqual(tcl.getint(' %d ' % i), i)
AssertionError: -9223372036854775808 != 9223372036854775808

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FAIL: test_passing_values (test.test_tcl.TclTest)
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Traceback (most recent call last):
  File "/home/aixtools/buildarea/3.9.aixtools-aix-power6/build/Lib/test/test_tcl.py", line 475, in test_passing_values
    self.assertEqual(passValue(i), i if self.wantobjects else str(i))
AssertionError: '9223372036854775808' != 9223372036854775808

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