When I checked it using latest catalyst Omega driver (14.12) and CodeXL 1.6 on Windows 7(64 bit), I found that its compiling fine without any warning for every gpu devices except cpu (see the attached file). I got the same warning only for cpu device. Please confirm whether you've similar observation or not. Meanwhile, I'll check the status of that bug report and if required, will wake it up again or create a new one.
Regards,