three different format.h in VTK causing segfaults in ParaView
find . | grep format.h
...
./VTK/ThirdParty/diy2/vtkdiy2/include/vtkdiy2/fmt/format.h
./VTK/ThirdParty/ioss/vtkioss/fmt/format.h
./VTK/ThirdParty/vtkm/vtkvtkm/vtk-m/vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/thirdparty/fmt/format.h
...
Looks like they are not mangled appropriately or something: Here's a callstack from a segfault when opening can.ex2 with IOSS reader:
....ParaView/VTK/ThirdParty/vtkm/vtkvtkm/vtk-m/vtkm/thirdparty/diy/vtkmdiy/include/vtkmdiy/thirdparty/fmt/format.h:2068
....ParaView/VTK/ThirdParty/ioss/vtkioss/fmt/format.h:3158