0.9.0.1:

	logged a bug
	minor comment tweaks

BUGS

@@ -2078,3 +2078,15 @@ WORKAROUND:
   the class redefinition will fail when SB-PCL::REMOVE-READER-METHOD
   tries to find and remove a method with an incompatible lambda list
   from the unrelated generic function.
+
+381: incautious calls to EQUAL in fasl dumping
+  Compiling 
+    (frob #(#1=(a #1#)))
+    (frob #(#1=(b #1#)))
+    (frob #(#1=(a #1#)))
+  in sbcl-0.9.0 causes CONTROL-STACK-EXHAUSTED. My (WHN) impression 
+  is that this follows from the use of (MAKE-HASH-TABLE :TEST 'EQUAL)
+  to detect sharing, in which case fixing it might require either 
+  getting less ambitious about detecting shared list structure, or 
+  implementing the moral equivalent of EQUAL hash tables in a 
+  cycle-tolerant way.

src/compiler/dump.lisp

@@ -277,9 +277,7 @@
 
 ;;; Open a fasl file, write its header, and return a FASL-OUTPUT
 ;;; object for dumping to it. Some human-readable information about
-;;; the source code is given by the string WHERE. If BYTE-P is true,
-;;; this file will contain no native code, and is thus largely
-;;; implementation independent.
+;;; the source code is given by the string WHERE. 
 (defun open-fasl-output (name where)
   (declare (type pathname name))
   (let* ((stream (open name
@@ -512,13 +510,11 @@
 
 ;;;; number dumping
 
-;;; Dump a ratio.
 (defun dump-ratio (x file)
   (sub-dump-object (numerator x) file)
   (sub-dump-object (denominator x) file)
   (dump-fop 'fop-ratio file))
 
-;;; Dump an integer.
 (defun dump-integer (n file)
   (typecase n
     ((signed-byte 8)

version.lisp-expr

@@ -17,4 +17,4 @@
 ;;; checkins which aren't released. (And occasionally for internal
 ;;; versions, especially for internal versions off the main CVS
 ;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.9.0"
+"0.9.0.1"