Add test for case that was missed by simplification (that had to be backed out).
Add test for case that was missed by simplification (that had to be backed out).

git-svn-id: 3f5418f4deb1796ec361794c2e3ca0aec3c9c1fd@2976 0e562018-b8fb-0310-a933-ecf073c7c197

utke1/cppad,wegamekinglc/CppAD,wegamekinglc/CppAD,kaskr/CppAD,kaskr/CppAD,utke1/cppad,kaskr/CppAD,wegamekinglc/CppAD,utke1/cppad,kaskr/CppAD,utke1/cppad,kaskr/CppAD,wegamekinglc/CppAD,wegamekinglc/CppAD