Make Rebinder accept slightly less normalised programs.
Make Rebinder accept slightly less normalised programs.

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