1.0.44.2: don't add pointless TYPEP T constraints

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

diff --git a/src/compiler/policy.lisp b/src/compiler/policy.lisp
index d5fe59d..34b027d 100644 (file)
--- a/src/compiler/policy.lisp
+++ b/src/compiler/policy.lisp
@@ -36,6 +36,8 @@ was MIN instead.
 This is intended to be used interactively, to facilitate recompiling large
 bodies of code with eg. a known minimum safety.
 
+See also :POLICY option in WITH-COMPILATION-UNIT.
+
 EXPERIMENTAL INTERFACE: Subject to change."
   (declare (type policy-quality min))
   (when quality
@@ -89,6 +91,11 @@ EXPERIMENTAL INTERFACE: Subject to change."
 (declaim (type policy *policy*))
 (defvar *policy*)          ; initialized in cold init
 
+(defun sort-policy (policy)
+  ;; We occasionally want to compare policies using EQL, hence we
+  ;; canonize the order.
+  (sort policy #'string< :key #'car))
+
 ;;; This is to be called early in cold init to set things up, and may
 ;;; also be called again later in cold init in order to reset default
 ;;; optimization policy back to default values after toplevel PROCLAIM
@@ -111,12 +118,12 @@ EXPERIMENTAL INTERFACE: Subject to change."
           ;; Perhaps INHIBIT-NOTES?
           inhibit-warnings))
   (setf *policy*
-        (mapcar (lambda (name)
-                  ;; CMU CL didn't use 1 as the default for
-                  ;; everything, but since ANSI says 1 is the ordinary
-                  ;; value, we do.
-                  (cons name 1))
-                *policy-qualities*))
+        (sort-policy (mapcar (lambda (name)
+                               ;; CMU CL didn't use 1 as the default for
+                               ;; everything, but since ANSI says 1 is the ordinary
+                               ;; value, we do.
+                               (cons name 1))
+                             *policy-qualities*)))
   (setf *policy-restrictions* nil)
   ;; not actually POLICY, but very similar
   (setf *handled-conditions* nil