COMP: Temporary workaround for clang compilation.
COMP: Temporary workaround for clang compilation.

The ArrayCasting.cxx test is very template-rich, and clang was not
instantiating all of the templates that were needed.  So here is a
cheat to allow this test to compile.

msmolens/VTK,msmolens/VTK,demarle/VTK,berendkleinhaneveld/VTK,mspark93/VTK,jeffbaumes/jeffbaumes-vtk,jmerkow/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,collects/VTK,msmolens/VTK,cjh1/VTK,aashish24/VTK-old,biddisco/VTK,hendradarwin/VTK,candy7393/VTK,sankhesh/VTK,keithroe/vtkoptix,keithroe/vtkoptix,cjh1/VTK,candy7393/VTK,gram526/VTK,SimVascular/VTK,hendradarwin/VTK,ashray/VTK-EVM,sumedhasingla/VTK,naucoin/VTKSlicerWidgets,biddisco/VTK,naucoin/VTKSlicerWidgets,aashish24/VTK-old,ashray/VTK-EVM,biddisco/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,collects/VTK,keithroe/vtkoptix,ashray/VTK-EVM,collects/VTK,gram526/VTK,SimVascular/VTK,sumedhasingla/VTK,spthaolt/VTK,spthaolt/VTK,keithroe/vtkoptix,jmerkow/VTK,keithroe/vtkoptix,SimVascular/VTK,collects/VTK,biddisco/VTK,SimVascular/VTK,candy7393/VTK,jeffbaumes/jeffbaumes-vtk,demarle/VTK,sumedhasingla/VTK,SimVascular/VTK,hendradarwin/VTK,biddisco/VTK,demarle/VTK,cjh1/VTK,johnkit/vtk-dev,arnaudgelas/VTK,ashray/VTK-EVM,naucoin/VTKSlicerWidgets,naucoin/VTKSlicerWidgets,candy7393/VTK,demarle/VTK,arnaudgelas/VTK,jmerkow/VTK,arnaudgelas/VTK,mspark93/VTK,sankhesh/VTK,aashish24/VTK-old,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,sankhesh/VTK,mspark93/VTK,msmolens/VTK,arnaudgelas/VTK,hendradarwin/VTK,sankhesh/VTK,cjh1/VTK,gram526/VTK,sankhesh/VTK,aashish24/VTK-old,keithroe/vtkoptix,keithroe/vtkoptix,msmolens/VTK,ashray/VTK-EVM,hendradarwin/VTK,johnkit/vtk-dev,biddisco/VTK,SimVascular/VTK,mspark93/VTK,gram526/VTK,johnkit/vtk-dev,aashish24/VTK-old,ashray/VTK-EVM,msmolens/VTK,sankhesh/VTK,spthaolt/VTK,sumedhasingla/VTK,mspark93/VTK,jmerkow/VTK,gram526/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,mspark93/VTK,arnaudgelas/VTK,demarle/VTK,mspark93/VTK,johnkit/vtk-dev,spthaolt/VTK,SimVascular/VTK,daviddoria/PointGraphsPhase1,spthaolt/VTK,hendradarwin/VTK,daviddoria/PointGraphsPhase1,collects/VTK,naucoin/VTKSlicerWidgets,naucoin/VTKSlicerWidgets,daviddoria/PointGraphsPhase1,jeffbaumes/jeffbaumes-vtk,gram526/VTK,jeffbaumes/jeffbaumes-vtk,gram526/VTK,cjh1/VTK,candy7393/VTK,aashish24/VTK-old,jmerkow/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,demarle/VTK,msmolens/VTK,sumedhasingla/VTK,daviddoria/PointGraphsPhase1,johnkit/vtk-dev,candy7393/VTK,demarle/VTK,arnaudgelas/VTK,biddisco/VTK,johnkit/vtk-dev,gram526/VTK,spthaolt/VTK,cjh1/VTK,candy7393/VTK,hendradarwin/VTK,jmerkow/VTK,jmerkow/VTK,demarle/VTK,berendkleinhaneveld/VTK,candy7393/VTK,collects/VTK,msmolens/VTK,spthaolt/VTK,sumedhasingla/VTK,mspark93/VTK,keithroe/vtkoptix,daviddoria/PointGraphsPhase1