+changes relative to sbcl-1.0.46:
+ * bug fix: SB-DEBUG:BACKTRACE-AS-LIST guards against potentially leaking
+ stack-allocated values out of their dynamic-extent. (lp#310175)
+ * bug fix: attempts to use SB-SPROF for wallclock profiling on threaded
+ x86-64 builds caused a type-error.
+
+changes in sbcl-1.0.46 relative to sbcl-1.0.45: