wenobug

Results 2 issues of wenobug

The following in gfx906_64.HIP.fdb.txt is 3d convolutions,but using `NCHW` layout. ![image](https://user-images.githubusercontent.com/63989327/145926525-2e955d3f-8d14-47db-b8eb-ff0ec1446f18.png) Thus I parse the config to `MIOpenDriver` command, then i got an error as follows: ```sh what(): /xxx/code/miopen-3x3-1x1-verfiy/driver/tensor_driver.hpp:124: unmatched...

bug
urgency_normal
value_unknown
Under Investigation

I found `miopen::deref(&dropoutDesc) = new miopen::DropoutDescriptor();` in `rnn.cpp`, but didn't known where to delete it. Can you help me determine if this is a bug. https://github.com/ROCmSoftwarePlatform/MIOpen/blob/4949d29f70b6ac26b834713493d9e33759ba5f41/src/rnn.cpp#L282-L371

question
request_for_comments
IMPACTS_API