X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=BUGS;h=42b6a8ecbd915eb797df93877eacbe9ede42bd06;hb=ad3beba970fab6e451a461c9f9b14faf4ef17718;hp=b8848f98e74c7045e3430e8926f477ec35759d70;hpb=eaa8a506790bb6ed627da617247bfd13802eb365;p=sbcl.git

diff --git a/BUGS b/BUGS
index b8848f9..42b6a8e 100644
--- a/BUGS
+++ b/BUGS
@@ -2072,3 +2072,27 @@ WORKAROUND:
   getting less ambitious about detecting shared list structure, or 
   implementing the moral equivalent of EQUAL hash tables in a 
   cycle-tolerant way.
+
+382: externalization unexpectedly changes array simplicity
+  COMPILE-FILE and LOAD
+    (defun foo ()
+      (let ((x #.(make-array 4 :fill-pointer 0)))
+        (values (eval `(typep ',x 'simple-array))
+                (typep x 'simple-array))))
+  then (FOO) => T, NIL.
+
+  Similar problems exist with SIMPLE-ARRAY-P, ARRAY-HEADER accessors
+  and all array dimension functions.
+
+383: ASH'ing non-constant zeros
+  Compiling
+    (lambda (b)
+      (declare (type (integer -2 14) b))
+      (declare (ignorable b))
+      (ash (imagpart b) 57))
+  on PPC (and other platforms, presumably) gives an error during the
+  emission of FASH-ASH-LEFT/FIXNUM=>FIXNUM as the assembler attempts to
+  stuff a too-large constant into the immediate field of a PPC
+  instruction.  Either the VOP should be fixed or the compiler should be
+  taught how to transform this case away, paying particular attention
+  to side-effects that might occur in the arguments to ASH.