Better error messages for zero assembler files.
Better error messages for zero assembler files.

git-svn-id: bc509ec38c1227b3e85ea1246fda136342965d36@1516247 13f79535-47bb-0310-9956-ffa450edef68

samaitra/jena,kidaa/jena,jianglili007/jena,kamir/jena,apache/jena,samaitra/jena,apache/jena,jianglili007/jena,kamir/jena,kidaa/jena,kidaa/jena,CesarPantoja/jena,tr3vr/jena,samaitra/jena,atsolakid/jena,adrapereira/jena,apache/jena,tr3vr/jena,CesarPantoja/jena,atsolakid/jena,CesarPantoja/jena,jianglili007/jena,kidaa/jena,kamir/jena,jianglili007/jena,CesarPantoja/jena,atsolakid/jena,apache/jena,atsolakid/jena,adrapereira/jena,kidaa/jena,tr3vr/jena,jianglili007/jena,tr3vr/jena,samaitra/jena,samaitra/jena,adrapereira/jena,CesarPantoja/jena,adrapereira/jena,kamir/jena,samaitra/jena,adrapereira/jena,samaitra/jena,atsolakid/jena,jianglili007/jena,apache/jena,kamir/jena,kidaa/jena,CesarPantoja/jena,CesarPantoja/jena,kamir/jena,atsolakid/jena,tr3vr/jena,adrapereira/jena,tr3vr/jena,kidaa/jena,apache/jena,apache/jena,apache/jena,adrapereira/jena,tr3vr/jena,jianglili007/jena,kamir/jena,atsolakid/jena