A fix for index-into-reshape simplification.
A fix for index-into-reshape simplification.

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