FENNEL:  enable one dynamic_cast to see if it crashes anywhere
FENNEL:  enable one dynamic_cast to see if it crashes anywhere

[git-p4: depot-paths = "//open/dt/dev/": change = 2892]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb