0.6.12.23:

[sbcl.git] / src / compiler / knownfun.lisp

diff --git a/src/compiler/knownfun.lisp b/src/compiler/knownfun.lisp
index e398372..5a30ffc 100644 (file)
--- a/src/compiler/knownfun.lisp
+++ b/src/compiler/knownfun.lisp
@@ -14,6 +14,8 @@
 
 (in-package "SB!C")
 
+(/show0 "knownfun.lisp 17")
+
 ;;; IR1 boolean function attributes
 ;;;
 ;;; There are a number of boolean attributes of known functions which we like
@@ -116,8 +118,8 @@
 \f
 ;;;; interfaces to defining macros
 
-;;; The TRANSFORM structure represents an IR1 transform.
-(defstruct transform
+;;; an IR1 transform
+(defstruct (transform (:copier nil))
   ;; the function-type which enables this transform
   (type (required-argument) :type ctype)
   ;; the transformation function. Takes the COMBINATION node and returns a
@@ -233,3 +235,5 @@
     (let ((cont (nth (1- n) (combination-args call))))
       (when (and cont (constant-continuation-p cont))
        (specifier-type (continuation-value cont))))))
+
+(/show0 "knownfun.lisp end of file")