It seems the OpenCL compiler on some older AMD GPUs cannot handle binary number literals 0b01010101 for bit-masks. Hexadecimal literals 0x55 work fine though.
See here for details: https://github.com/ProjectPhysX/FluidX3D/issues/4
Try posting your Thread at AMD Developer's Forum that includes a Forum of OpenCL from here: https://community.amd.com/t5/newcomers-start-here/bd-p/newcomer-forum
From there the Moderator will whitelist you to give you access to the OpenCL Forum.