Add check for nullptr in PlannerImpl::FindReusableTensor(). (#3619)
Add check for nullptr in PlannerImpl::FindReusableTensor(). (#3619)


microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime