+;;; compiler failure found by Paul Dietz' randomized tortuter
+(defun #:foo (a b c d)
+ (declare (type (integer 240 100434465) a)
+ (optimize (speed 3) (safety 1) (debug 1)))
+ (logxor
+ (if (ldb-test (byte 27 4) d)
+ -1
+ (max 55546856 -431))
+ (logorc2
+ (if (>= 0 b)
+ (if (> b c) (logandc2 c d) (if (> d 224002) 0 d))
+ (signum (logior c b)))
+ (logior a -1))))
+