unknown type no longer causes a style-warning. (lp#806243)
* bug fix: undefined functions now appear in backtraces as ("undefined
function") instead of ("bogus stack frame") on non-x86oids.
+ * bug fix: backtraces are no longer cut off at ("undefined function") when
+ called under certain circumstances (involving a caller-allocated stack
+ frame) on PPC.
changes in sbcl-1.0.54 relative to sbcl-1.0.53:
* minor incompatible changes: