(des (allocate-vector-object gspace
sb!vm:n-byte-bits
(1+ length)
- sb!vm:simple-string-widetag))
+ sb!vm:simple-base-string-widetag))
(bytes (gspace-bytes gspace))
(offset (+ (* sb!vm:vector-data-offset sb!vm:n-word-bytes)
(descriptor-byte-offset des))))