Remove the typeof state threaded through the code generator. It was...

test/mjsunit/eval-typeof-non-existing.js

Index: test/mjsunit/eval-typeof-non-existing.js
===================================================================
--- test/mjsunit/eval-typeof-non-existing.js	(revision 3208)
+++ test/mjsunit/eval-typeof-non-existing.js	(working copy)
@@ -25,8 +25,11 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Typeof expression must resolve to undefined when it used on a
+// Typeof expression must resolve to 'undefined' when it used on a
 // non-existing property. It is *not* allowed to throw a
 // ReferenceError.
 assertEquals('undefined', typeof xxx);
 assertEquals('undefined', eval('typeof xxx'));
+
+assertThrows('typeof(true ? xxx : yyy)', ReferenceError);
+assertThrows('with ({}) { typeof(true ? xxx : yyy) }', ReferenceError);