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+ * optimization: compiler now generates faster typechecking code for
+ array dimensions.
+ * optimization: ARRAY-DIMENSION is now faster for multidimensional and
+ non-simple arrays.
+ * optimization: multidimensional array accesses in the absence of type
+ information regarding array rank are approximately 10% faster due to
+ open coding of ARRAY-RANK.
+ * bug fix: potential miscompilation of array stack allocation on x86 and
+ x86-64. (reported by Time Tossavainen)
+ * bug fix: some forms of AND, OR, and COND resulted in expansions that could
+ result in their subforms being treated as top level forms. (reported by
+ James Knight)
+ * bug fix: disable address space randomization Linux/x86-64 as well,
+ not just x86-64. (reported by Ken Olum)
+ * bug fix: #201; type inference for CONS and ARRAY types could derive
+ wrong results in the presence of eg. RPLACA or ADJUST-ARRAY.
+ * bug fix: special variables with a proclaimed specific subtype of FUNCTION
+ could not be assigned to or bound with PROGV. (reported by Lorenz
+ Mösenlechner)
+
+changes in sbcl-1.0.28 relative to 1.0.27:
+ * a number of bugs in cross-compilation have been fixed, with the ultimate
+ result that building under (at least) clisp should be much more reliable.
+ * minor incompatible changes: echo-streams now propagate unread-char to the
+ underlying input stream, and no longer permit unreading more than one
+ character.
+ * improvement: on x86/x86-64 Lisp call frames now have the same layout as C
+ frames, allowing for instance more reliable backtraces.
+ * improvement: the debugger REPL can now reference lexical variables
+ by name directly for code compiled with (DEBUG 3).
+ * improvement: errors from malformed declarations now have better source
+ paths associated with them. (thanks to Tobias Rittweiler)
+ * optimization: faster local calls on x86/x86-64
+ * bug fix: some error messages for out-of-bound array indexes confused the
+ index and the bound. (thanks to Stas Boukarev)
+ * bug fix: pretty printing malformed DEFPACKAGE forms (thanks to Sidney
+ Markowitz)
+ * bug fix: running regressions tests in shells without OSTYPE set now works.
+ (reported by Harald Hanche-Olsen)
+ * bug fix: more robust static space exhaustion signalling from
+ MAKE-STATIC-VECTOR (thanks to Daniel Lowe)
+ * bug fix: (SETF DOCUMENTATION) for anonymous function now throws the
+ docstring away instead of storing it under names such as (LAMBDA (X)).
+ (reported by Leslie Polzer)
+ * bug fix: timers could go off in the wrong order, be delayed indefinitely
+ (thanks to Ole Arndt for the patch)
+ * bug fix: RESTART-FRAME and RETURN-FROM-FRAME stack corruption
+ * bug fix: the discriminating function for PRINT-OBJECT no longer preserves
+ potentially-invalid effective methods in its cache.
+ * bug fix: SB-INTROSPECT:FIND-DEFINITION-SOURCE now works with funcallable
+ instances as well (thanks to Paul Khuong)
+ * bug fix: using RUN-PROGRAM does not interfere with SB-POSIX:WAIT,
+ SB-POSIX:WAITPID and their C equivalents.
+ * bug fix: RUN-PROGRAM does not crash on Darwin when stressed.
+
changes in sbcl-1.0.27 relative to 1.0.26:
* new port: support added for x86-64 OpenBSD. (thanks to Josh Elsasser)
- * bug fix: a type error is signaled for attempts to use the LOOP
- keyword ACROSS for a NIL value. (thanks to Daniel Lowe)
+ * new port: support added for x86-64 Solaris. (thanks to Alex Viskovatoff)
+ * improvement: the system either recovers from stack exhaustion or dies
+ properly as opposed to leaving the user uncertain of whether the handler
+ trampled on some random memory next to the stack or having to rely on
+ --lose-on-corruption (which is still a good idea to use in production
+ because stack exhaustion can happen in signal handlers which will likely
+ lead to hangs.)
* bug fix: fix gc related interrupt handling bug on ppc (regression from
1.0.25.37, reported by Harald Hanche-Olsen)
* bug fix: work around signal delivery bug in darwin (regression from
1.0.25.44, reported by Sidney Markowitz)
+ * bug fix: fix ERROR leaking memory (reported by David Thompson)
changes in sbcl-1.0.26 relative to 1.0.25:
* incompatible change: an interruption (be it a function passed to
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