Trying Out Mesa's KHR_no_error With An Intel Pentium + Radeon RX 580

With a lot of work going in recently to Mesa's KHR_no_error implementation for being able to optionally disable some error checking/handling within the OpenGL stack for potentially some CPU savings, I did some fresh tests of this feature (also known as MESA_NO_ERROR) when having the Kabylake Pentium CPU installed for the earlier Mesa GL threading tests...