v4.1.x: coll/hcoll: fixes dtypes mapping#9305

jsquyres merged 1 commit intoopen-mpi:v4.1.xopen-mpi/ompi:v4.1.xfrom

awlauria:fix_hcoll_segv_v4.1.xawlauria/ompi:fix_hcoll_segv_v4.1.xCopy head branch name to clipboard