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c42cf518da
Test cases where the index/mask/delta is greater than or equal to the maximum subgroup size. These are cases that return undefined results but are not undefined behavior. The index/mask/delta values now include values less than twice the subgroup size, and 0xffffffff. Testing for sub_group_shuffle_xor() already allowed inputs that were greater or equal to the subgroup size for the last subgroup in a workgroup, but did not properly account for this in the verification function, potentially resulting in out of bounds accesses. Signed-off-by: Stuart Brady <stuart.brady@arm.com>