Poisson reconstruction in parallel threads segfaults

Your Environment

• Operating System and version: Ubuntu 16.10
• Compiler: gcc 6.2
• PCL Version: 1.8 as packaged for Ubuntu

Expected Behavior

Two threads should be able to create two different instances of pcl::Poisson and run them on two different input clouds at the same time.

Current Behavior

Segfault

Code to Reproduce

http://pastebin.com/yJrpcpTL