changes in sbcl-2.0.7 relative to sbcl-2.0.6:
* minor incompatible change: SB-THREAD:THREAD-OS-TID returns NIL for
a thread which has exited.
* minor incompatible change: OPEN no longer calls TRUENAME implicitly
on a string filespec prior to issuing an open() system call.
* minor incompatible change: PATHNAME is no longer a STRUCTURE-OBJECT.
* documentation: HASH-FUNCTION is a function designator. (lp#1888028,
reported by Jacek Zlydach)
* bug fix: eliminated a potential garbage-collector deadlock
when linking with TCMalloc.
* bug fix: foreign threads (those not made by SB-THREAD:MAKE-THREAD)
can not crash with a "GC_PENDING, but why?" error when returning
back from Lisp into the foreign caller.
* bug fix: sb-fasteval crashed trying to install a JIT-compiled
DEFSTRUCT accessor in a locked package.
* bug fix: removed misuse of putwc() which caused stdio streams
to drop characters.
* bug fix: the "maximum interrupt nesting depth exceeded" error
generated in the C runtime is significantly less likely to occur.
* bug fix: sb-sprof should no longer segfault from calling pthread_kill()
on a nonexistent thread.
* bug fix: a portability issue arising from various build hosts
(lp#1886255, reported by Pierre Neidhart)
* bug fix: spurious compiler warnings from REDUCE with :INITIAL-VALUE.
(lp#1885515, reported by Michael South)
* bug fix: an inconsistency between class hierarchies and the type system
under some circumstances involving redefinition. (lp#1886397, reported by
Atilla Lendvai)
* bug fix: the USE-VALUE restart for OPEN on non-existent files is more
likely to function as expected. (lp#1886587)
* bug fix: various invalid inputs to ROTATE-BYTE no longer cause compiler
errors. (lp#1887164, lp#1888152)
* optimization: PPC64 on linux uses the __thread annotation on C variables
in preference to pthread_setspecific() and pthread_getspecific().