added bug 1189 to run/existentials.scala
added bug 1189 to run/existentials.scala


shimib/scala,felixmulder/scala,lrytz/scala,lrytz/scala,scala/scala,lrytz/scala,felixmulder/scala,martijnhoekstra/scala,slothspot/scala,scala/scala,felixmulder/scala,scala/scala,lrytz/scala,slothspot/scala,felixmulder/scala,martijnhoekstra/scala,shimib/scala,jvican/scala,scala/scala,jvican/scala,shimib/scala,shimib/scala,felixmulder/scala,martijnhoekstra/scala,jvican/scala,jvican/scala,slothspot/scala,felixmulder/scala,shimib/scala,jvican/scala,felixmulder/scala,slothspot/scala,scala/scala,martijnhoekstra/scala,scala/scala,shimib/scala,jvican/scala,martijnhoekstra/scala,lrytz/scala,slothspot/scala,slothspot/scala,martijnhoekstra/scala,jvican/scala,lrytz/scala,slothspot/scala