inc_cylinder_2d fails with opencl: Assertion failed: (has_meta_for_every_arg && "kernel_arg_addr_space meta incomplete")

[Yuri]

$ pyfr run -b opencl -p inc_cylinder_2d.pyfrm inc_cylinder_2d.ini
Assertion failed: (has_meta_for_every_arg && "kernel_arg_addr_space meta incomplete"), function int pocl_get_kernel_arg_function_metadata(const char *, llvm::Module *, cl_kernel), file /wrkdirs/usr/ports/lang/pocl/work/pocl-0.14/lib/CL/pocl_llvm_api.cc, line 748.
/usr/local/lib/python3.6/site-packages/pytools/prefork.py:93: UserWarning: Prefork server exiting upon apparent death of parent
  warn("%s exiting upon apparent death of %s" % (who, partner))
Abort trap