changes in sbcl-2.2.0 relative to sbcl-2.1.11:
* platform support:
** support for FreeBSD on 64-bit arm platforms has been added.
** the :SB-LINKABLE-RUNTIME build-time feature is now supported on 32-bit
and 64-bit arm platforms, and on the FreeBSD operating system.
** bug fix: correct encoding for vmovsd. (lp#1953483, reported by Marco
Heisig)
** bug fix: support ABIv1 callbacks on big-endian ppc64. (lp#1900343,
thanks to Thomas Fitzsimmons)
** bug fix: don't misuse mprotect() in dynamic space on Windows.
(lp#1955723, reported by 3b)
* enhancement: catch type mismatches for REPLACE, SUBSTITUTE, MAKE-ARRAY
with :INITIAL-CONTENTS.
* optimization: printing symbols is around 10% faster than previously.
* bug fix: don't use the current type of non-returning functions when
redefining them in another file. (lp#1953214, reported by Nicolas Hafner)
* bug fix: eliminate stack cleanups more conservatively. (lp#1954330,
reported by Daniel Kochmański)
* bug fix: check consistently in tests for the existence of VOPs.
(lp#1952896, reported by Sébastien Villemot)