filter on array of tuples has a size bug
filter on array of tuples has a size bug

diku-dk/futhark,mrakgr/futhark,mrakgr/futhark,ihc/futhark,diku-dk/futhark,ihc/futhark,mrakgr/futhark,diku-dk/futhark,HIPERFIT/futhark,ihc/futhark,diku-dk/futhark,HIPERFIT/futhark,CulpaBS/wbBach,HIPERFIT/futhark,diku-dk/futhark