PHTG Reader segfault with Ghost Cell data
Steps to reproduce:
- Run pvserver with 2 MPI ranks
- Launch client and connect
- Create HTG Random source
- Generate Ghost Cells
- Save to .phtg
- (Reset)
- Load .phtg file
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Individual .htg files load fine, but not the .phtg, which is likely to be an issue with the PHTG Reader