Upgrading to 8.0.0 from 7.6.0. I'm seeing this issue in Atmel Studio 6.1.2730 - SP2. I've had the same issue with some structs where I was doing the exact same typedef syntax. I never could get it figured out so I just referred to them as "struct Name" instead of the typedef'd name. This could be as simple as a compiler flag but I just don't know what to look for.
The error I'm getting over 30 times is:
'corCRCB' undeclared (first use in this function)
typedef struct corCoRoutineControlBlock
xListItem xGenericListItem; /< List item used to place the CRCB in ready and blocked queues. */
xListItem xEventListItem; /< List item used to place the CRCB in event lists. */
unsigned portBASETYPE uxPriority; /< The priority of the co-routine in relation to other co-routines. */
unsigned portBASE_TYPE uxIndex; /< Used to distinguish between co-routines when multiple co-routines use the same co-routine function. /
unsigned short uxState; /< Used internally by the co-routine implementation. /
} corCRCB; / Co-routine control block. Note must be identical in size down to uxPriority with tskTCB. */
Are you sure that is a V8 file? If you go to the very top of the file, what is the version number? In v8 the structure is called CRCB_t not corCRCB.
I restarted Atmel studio since this happened and now it works without me having changed anything. Hmmm. It shows 8.0.0 now. I wonder if something was cached.