Fix test_sparse_operator failures due to out-of-bounds ref. (#9674)
Fix test_sparse_operator failures due to out-of-bounds ref. (#9674)


szha/mxnet,leezu/mxnet,apache/incubator-mxnet,fullfanta/mxnet,yajiedesign/mxnet,rahul003/mxnet,CodingCat/mxnet,mbaijal/incubator-mxnet,yajiedesign/mxnet,CodingCat/mxnet,ForkedReposBak/mxnet,larroy/mxnet,mbaijal/incubator-mxnet,jiajiechen/mxnet,precedenceguo/mxnet,leezu/mxnet,luoyetx/mxnet,ForkedReposBak/mxnet,apache/incubator-mxnet,leezu/mxnet,indhub/mxnet,CodingCat/mxnet,CodingCat/mxnet,navrasio/mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,CodingCat/mxnet,leezu/mxnet,jamesliu/mxnet,apache/incubator-mxnet,ptrendx/mxnet,ptrendx/mxnet,tornadomeet/mxnet,reminisce/mxnet,sxjscience/mxnet,fullfanta/mxnet,szha/mxnet,LinkHS/incubator-mxnet,CodingCat/mxnet,rahul003/mxnet,luoyetx/mxnet,navrasio/mxnet,zhreshold/mxnet,DickJC123/mxnet,tlby/mxnet,jiajiechen/mxnet,larroy/mxnet,larroy/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,tornadomeet/mxnet,tornadomeet/mxnet,dmlc/mxnet,dmlc/mxnet,szha/mxnet,jamesliu/mxnet,tlby/mxnet,fullfanta/mxnet,eric-haibin-lin/mxnet,szha/mxnet,rahul003/mxnet,eric-haibin-lin/mxnet,jiajiechen/mxnet,eric-haibin-lin/mxnet,jiajiechen/mxnet,indhub/mxnet,mbaijal/incubator-mxnet,precedenceguo/mxnet,dmlc/mxnet,indhub/mxnet,indhub/mxnet,ptrendx/mxnet,jiajiechen/mxnet,larroy/mxnet,luoyetx/mxnet,dmlc/mxnet,DickJC123/mxnet,larroy/mxnet,ForkedReposBak/mxnet,TuSimple/mxnet,yajiedesign/mxnet,precedenceguo/mxnet,zhreshold/mxnet,dmlc/mxnet,leezu/mxnet,luoyetx/mxnet,LinkHS/incubator-mxnet,reminisce/mxnet,precedenceguo/mxnet,dmlc/mxnet,eric-haibin-lin/mxnet,tornadomeet/mxnet,DickJC123/mxnet,eric-haibin-lin/mxnet,TuSimple/mxnet,reminisce/mxnet,navrasio/mxnet,mbaijal/incubator-mxnet,mbaijal/incubator-mxnet,jiajiechen/mxnet,indhub/mxnet,tornadomeet/mxnet,zhreshold/mxnet,sxjscience/mxnet,tlby/mxnet,larroy/mxnet,zhreshold/mxnet,dmlc/mxnet,sxjscience/mxnet,fullfanta/mxnet,TuSimple/mxnet,TuSimple/mxnet,indhub/mxnet,tlby/mxnet,indhub/mxnet,jiajiechen/mxnet,LinkHS/incubator-mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,navrasio/mxnet,zhreshold/mxnet,fullfanta/mxnet,zhreshold/mxnet,CodingCat/mxnet,leezu/mxnet,mbaijal/incubator-mxnet,eric-haibin-lin/mxnet,ptrendx/mxnet,tlby/mxnet,TuSimple/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,reminisce/mxnet,precedenceguo/mxnet,dmlc/mxnet,jamesliu/mxnet,LinkHS/incubator-mxnet,tornadomeet/mxnet,mbaijal/incubator-mxnet,szha/mxnet,tornadomeet/mxnet,mbaijal/incubator-mxnet,leezu/mxnet,rahul003/mxnet,yajiedesign/mxnet,ptrendx/mxnet,navrasio/mxnet,CodingCat/mxnet,ptrendx/mxnet,ForkedReposBak/mxnet,szha/mxnet,ptrendx/mxnet,sxjscience/mxnet,larroy/mxnet,szha/mxnet,yajiedesign/mxnet,rahul003/mxnet,ptrendx/mxnet,fullfanta/mxnet,jamesliu/mxnet,precedenceguo/mxnet,tlby/mxnet,jamesliu/mxnet,sxjscience/mxnet,rahul003/mxnet,szha/mxnet,sxjscience/mxnet,TuSimple/mxnet,eric-haibin-lin/mxnet,reminisce/mxnet,indhub/mxnet,ptrendx/mxnet,LinkHS/incubator-mxnet,precedenceguo/mxnet,reminisce/mxnet,rahul003/mxnet,tornadomeet/mxnet,zhreshold/mxnet,larroy/mxnet,tlby/mxnet,jamesliu/mxnet,apache/incubator-mxnet,LinkHS/incubator-mxnet,LinkHS/incubator-mxnet,leezu/mxnet,tlby/mxnet,mbaijal/incubator-mxnet,luoyetx/mxnet,jamesliu/mxnet,reminisce/mxnet,fullfanta/mxnet,TuSimple/mxnet,luoyetx/mxnet,fullfanta/mxnet,jamesliu/mxnet,jiajiechen/mxnet,LinkHS/incubator-mxnet,reminisce/mxnet,rahul003/mxnet,precedenceguo/mxnet,TuSimple/mxnet,navrasio/mxnet,szha/mxnet,fullfanta/mxnet,reminisce/mxnet,ForkedReposBak/mxnet,navrasio/mxnet,ForkedReposBak/mxnet,precedenceguo/mxnet,luoyetx/mxnet,dmlc/mxnet,navrasio/mxnet,yajiedesign/mxnet,jamesliu/mxnet,TuSimple/mxnet,tornadomeet/mxnet,yajiedesign/mxnet,sxjscience/mxnet,larroy/mxnet,jiajiechen/mxnet,LinkHS/incubator-mxnet,CodingCat/mxnet,rahul003/mxnet,eric-haibin-lin/mxnet,zhreshold/mxnet,DickJC123/mxnet,TuSimple/mxnet,luoyetx/mxnet,navrasio/mxnet,indhub/mxnet,leezu/mxnet,tlby/mxnet,ptrendx/mxnet,zhreshold/mxnet,luoyetx/mxnet,yajiedesign/mxnet