accept out of range requests in first_hit
accept out of range requests in first_hit

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18312695]

kimrutherford/nvbio,NVlabs/nvbio,NVlabs/nvbio,NVlabs/nvbio,NVlabs/nvbio,kimrutherford/nvbio,kimrutherford/nvbio,kimrutherford/nvbio