## Description (Brief description of the problem in no more than 2 sentences.) Our mnist smokescreen tests are breaking in the latest build (mxnet-1.3.0b20180911) as a result of this PR with an index out of range error.
## Environment info (Required) Breaks on both Linux and OSX. Build mxnet-1.3.0b20180909 is fine, 1.3.0b20180911 is faulty. [ Full content available at: https://github.com/apache/incubator-mxnet/issues/12526 ] This message was relayed via gitbox.apache.org for [email protected]
