specification (multiple integer arguments) and signals a continuable error
if the current SBCL version is lower (older) than the specification.
(lp#674372)
+ * enhancement: better ARRAY-RANK result derivation. (lp#1252108)
* bug fix: EQUALP now compares correctly structures with raw slots larger
than a single word.
* bug fix: contribs couldn't be built on Windows with MinGW.