(reported by Rick Taube)
* bug fix: structures defined by WITH-ALIEN can be referred to
within other definitions in the same WITH-ALIEN.
+ * bug fix: division operators (MOD, TRUNCATE and the like) with
+ constant zero divisors and integer dividends no longer generate
+ left shifts.
changes in sbcl-0.8.13 relative to sbcl-0.8.12:
* new feature: SB-PACKAGE-LOCKS. See the "Package Locks" section of