+ * enhancement: vectors can now be stack-allocated on PPC.
+ * enhancement: "fixed objects" can now be stack-allocated on PPC.
+ * enhancement: WITH-PINNED-OBJECTS no longer conses on PPC/GENCGC.
+ * enhancement: (sb-introspect:find-definition-sources-by-name x :vop) now
+ also returns VOPs which do not translate any functions.
+ * enhancement: better type derivation for APPEND, NCONC, LIST.
+ (lp#538957)
+ * bug fix: type derivation for LOG{AND,IOR,XOR} scales linearly instead
+ of quadratically with the size of the input in the worst case.
+ (lp#1096444)