changes in sbcl-1.4.2 relative to sbcl-1.4.1:
* minor incompatible change: SB-EXT:QUIT is no longer marked as deprecated
and behaves like SB-EXT:EXIT.
* enhancement: ASDF updated to 3.3.1. The ASDF release is dedicated to
the late Elias Pipping who put enormous amounts of work into it despite
his terminal illness. Thank you and rest in peace. (lp#1681201)
* enhancement: alien routines compiled with '-fsanitize=thread' and/or
'-fsanitize=memory' cause fewer false positives in error reporting.
* optimization: fewer instances of consing float constants at runtime.
* bug fix: a number of compiler bugs detected by Paul F. Dietz' randomized
tester. (lp#1731503, lp#1730699, lp#1723993, lp#1730434, lp#1661911,
lp#1729639, lp#1729471, lp#1728692)
* bug fix: better errors from NAMESTRING and friends on pathnames with no
namestrings. (lp#792154)
* bug fix: EQUAL and EQUALP compiler transforms were too confident in
deriving a result. (lp#1732277, lp#1732225)
* bug fix: FILL sometimes returned the underlying data vector rather than
the given array. (lp#1732553)
* bug fix: SEARCH returned the wrong answer in some cases. (lp#1732952)
* bug fix: the type (COMPLEX INTEGER) behaves more as specified by Function
TYPEP, which has stronger constraints than System Class COMPLEX.
(Reported by Eric Marsden, lp#1733400)