It isn't used for about three years now.
(sb!di:debug-var-info-available
(sb!di:code-location-debug-fun
(sb!di:frame-code-location frame))))
-
-;; Hack: ensure that *U-T-F-F* has a tls index.
-#!+unwind-to-frame-and-call-vop
-(let ((sb!vm::*unwind-to-frame-function* (lambda ()))))
-
\f
;;;; debug loop command utilities
#!+sb-safepoint *in-safepoint*
*free-interrupt-context-index*
sb!kernel::*gc-epoch*
- sb!vm::*unwind-to-frame-function*
sb!vm::*allocation-pointer*
sb!vm::*binding-stack-pointer*
sb!vm::*fp-constant-0d0*