X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fpolicies.lisp;h=3295a6cce07878a71aab90422b5065726e225398;hb=b63c4fb9b98fa8188e17ba926e150ba417a74635;hp=4680f71daeee6a2a203b4537066fe5db90dd1caa;hpb=8a8a8922802460741d6f8f6c11d71b1f414cf3a7;p=sbcl.git

diff --git a/src/compiler/policies.lisp b/src/compiler/policies.lisp
index 4680f71..3295a6c 100644
--- a/src/compiler/policies.lisp
+++ b/src/compiler/policies.lisp
@@ -23,6 +23,11 @@
           (t 2))
   ("no" "maybe" "fast" "full"))
 
+(define-optimization-quality check-tag-existence
+    (cond ((= safety 0) 0)
+          (t 3))
+  ("no" "maybe" "yes" "yes"))
+
 (define-optimization-quality let-convertion
     (if (<= debug speed) 3 0)
   ("off" "maybe" "on" "on"))