full-blows cross-compilation.)
* bug fix: deadlock detection could report the same deadlock twice, for
two different threads. Now a single deadlock is reported exactly once.
+ * bug fix: interval-arithmetic division during type derivation did not
+ account for signed zeros.
+ * bug fix: compiler error when typechecking a call to a function with
+ non-constant keyword arguments.
+ * bug fix: misoptimization of TRUNCATE causing erratic behaviour.
changes in sbcl-1.0.54 relative to sbcl-1.0.53:
* minor incompatible changes: