declarations. (lp#726331)
* enhancement: :NOT-NULL option has been added to alien C-STRING type to indicate
that NIL/NULL is excluded from the type.
+ * enhancement: SB-INTROSPECT:MAP-ROOT allows mapping over pointers contained in
+ arbitrary objects.
* optimization: SLOT-VALUE &co are faster in the presence of SLOT-VALUE-USING-CLASS
and its compatriots.
* optimization: core startup time is reduced by 30% on x86-64. (lp#557357)