sbcl-1.1.18 released

Dear all,

I have just released SBCL 1.1.18 and uploaded a source tarball to
Sourceforge; binaries for various platforms may show up later.  Although
the significant changes list (appended to this message) is comparatively
short this month, it's perhaps worth pointing out that a fair amount of
infrastructural work has been done this month, working particularly on
thread-local storage for symbols and also for issues in multithreaded
operation of the compiler's info database.  As ever, please report any
problems or issues to the development mailing list.

Best wishes,

Christophe

changes in sbcl-1.1.18 relative to sbcl-1.1.17:
  * optimization: COERCE is now more effecient for more cases when the type is
    known at compile-time.
    (lp#1309815)
  * bug fix: correctly inherit condition initforms. (lp#1300904)
  * bug fix: properly pprint literal functions inside nested lists.
    (lp#1300716)
  * bug fix: more-correctly handle array-type unity (broken for ages, causing
    compilation problems since 1.1.13.x due to smarter TYPEP type propagation,
    reported by jasom in #lisp).


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