I got this at the end of validation on Windows.  Any ideas?

Simon

Traceback (most recent call last):

  File "../driver/runtests.py", line 251, in <module>

    execfile(file)

  File "./quasiquotation/T4491/test.T", line 7, in <module>

    only_ways([config.ghc_th_way]),

AttributeError: TestConfig instance has no attribute 'ghc_th_way'

make[2]: Leaving directory `/c/code/HEAD/testsuite/tests'

make[1]: Leaving directory `/c/code/HEAD/testsuite/tests'