[t/spec] Not clear to me why we were testing that Complex.sign returns something which is not defined rather than simply failing. As it was, it was forcing us to explicitly implement a Complex.sign function which threw an error, rather than just not have a Complex.sign function and let that generate an error naturally. (Why was Complex.sign tested this way, and not any of the other Real-only numeric functions?) At any rate, fudge out the test until things can be sorted out.
git-svn-id: http://svn.pugscode.org/pugs@31203 c213334d-75ef-0310-aa23-eaa082d1ae64