(defvar *big-compiler-lock*
(sb!thread:make-mutex :name "big compiler lock"))
+(declaim (type fixnum *compiler-sset-counter*))
+(defvar *compiler-sset-counter* 0)
+
;;; unique ID for the next object created (to let us track object
;;; identity even across GC, useful for understanding weird compiler
;;; bugs where something is supposed to be unique but is instead