Workaround for compiler bug.
Workaround for compiler bug.

diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark,ihc/futhark,diku-dk/futhark,HIPERFIT/futhark,diku-dk/futhark,ihc/futhark,diku-dk/futhark,ihc/futhark,HIPERFIT/futhark