engages the obsolete instance protocol. (lp#766271)
* bug fix: constant improper lists could break source coverage recording.
(lp#767959)
+ * bug fix: compiling calls to eg. MEMBER with massive constant list arguments
+ could exhaust stack.
changes in sbcl-1.0.47 relative to sbcl-1.0.46:
* bug fix: fix mach port rights leaks in mach exception handling code on