test/input.output/iostream.format/output.streams/ostream.formatted/ostream.inserters.arithmetic/pointer.pass.cpp
to accept '(nil)' as a valid representation for NULL so that the test
passes on Linux. The same thing is already done in some other tests,
like in /test/localization/locale.categories/category.numeric/locale.nm.put/facet.num.put.members/put_pointer.pass.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@161188 91177308-0d34-0410-b5e6-96231b3b80d8
