changes in sbcl-2.2.11 relative to sbcl-2.2.10:
* platform support:
** arm64: allow the use of CLISP as a build host. (lp#1996942, reported
by Andrew Patterson)
* enhancement: improvements to constraint propagation around comparison
functions.
* optimization: conditional move VOPs can work on boxed values and
produce less consing.
* optimization: NUNION and UNION are generally faster.
* bug fix: slot-makunbound-using-class can be redefined without redefining
the other slot methods. (lp#1956621, reported by Michał Herda)
* bug fix: GETHASH on a table created without ":synchronized t" when run
concurrently in multiple threads could have returned incorrect results.
* bug fix: build of contributed modules assumed that 'cat' was always
in /bin/cat on POSIX systems. (lp#1995224, reported by Kasper Gałkowski)
* bug fix: INSPECT on an (ARRAY NIL) no longer hangs. (lp#1995639, reported
by Michał Herda)
* bug fix: Fix miscompilation of FILE-STRING-LENGTH when the first argument
has a known FILE-STREAM type. (lp#1995881)