the new output block should start indented 2 or more characters
rightward of the correct location.
-65:
- (probably related to bug #70; maybe related to bug #109)
- As reported by Carl Witty on submit@bugs.debian.org 1999-05-08,
- compiling this file
-(in-package "CL-USER")
-(defun equal-terms (termx termy)
- (labels
- ((alpha-equal-bound-term-lists (listx listy)
- (or (and (null listx) (null listy))
- (and listx listy
- (let ((bindings-x (bindings-of-bound-term (car listx)))
- (bindings-y (bindings-of-bound-term (car listy))))
- (if (and (null bindings-x) (null bindings-y))
- (alpha-equal-terms (term-of-bound-term (car listx))
- (term-of-bound-term (car listy)))
- (and (= (length bindings-x) (length bindings-y))
- (prog2
- (enter-binding-pairs (bindings-of-bound-term (car listx))
- (bindings-of-bound-term (car listy)))
- (alpha-equal-terms (term-of-bound-term (car listx))
- (term-of-bound-term (car listy)))
- (exit-binding-pairs (bindings-of-bound-term (car listx))
- (bindings-of-bound-term (car listy)))))))
- (alpha-equal-bound-term-lists (cdr listx) (cdr listy)))))
-
- (alpha-equal-terms (termx termy)
- (if (and (variable-p termx)
- (variable-p termy))
- (equal-bindings (id-of-variable-term termx)
- (id-of-variable-term termy))
- (and (equal-operators-p (operator-of-term termx) (operator-of-term termy))
- (alpha-equal-bound-term-lists (bound-terms-of-term termx)
- (bound-terms-of-term termy))))))
-
- (or (eq termx termy)
- (and termx termy
- (with-variable-invocation (alpha-equal-terms termx termy))))))
- causes an assertion failure
- The assertion (EQ (C::LAMBDA-TAIL-SET C::CALLER)
- (C::LAMBDA-TAIL-SET (C::LAMBDA-HOME C::CALLEE))) failed.
-
- Bob Rogers reports (1999-07-28 on cmucl-imp@cons.org) a smaller test
- case with the same problem:
-(defun parse-fssp-alignment ()
- ;; Given an FSSP alignment file named by the argument . . .
- (labels ((get-fssp-char ()
- (get-fssp-char))
- (read-fssp-char ()
- (get-fssp-char)))
- ;; Stub body, enough to tickle the bug.
- (list (read-fssp-char)
- (read-fssp-char))))
-
66:
ANSI specifies that the RESULT-TYPE argument of CONCATENATE must be
a subtype of SEQUENCE, but CONCATENATE doesn't check this properly:
crashes SBCL. In general tracing anything which is used in the
implementation of TRACE is likely to have the same problem.
-70:
- (probably related to bug #65; maybe related to bug #109)
- The compiler doesn't like &OPTIONAL arguments in LABELS and FLET
- forms. E.g.
- (DEFUN FIND-BEFORE (ITEM SEQUENCE &KEY (TEST #'EQL))
- (LABELS ((FIND-ITEM (OBJ SEQ TEST &OPTIONAL (VAL NIL))
- (LET ((ITEM (FIRST SEQ)))
- (COND ((NULL SEQ)
- (VALUES NIL NIL))
- ((FUNCALL TEST OBJ ITEM)
- (VALUES VAL SEQ))
- (T
- (FIND-ITEM OBJ (REST SEQ) TEST (NCONC VAL `(,ITEM))))))))
- (FIND-ITEM ITEM SEQUENCE TEST)))
- from David Young's bug report on cmucl-help@cons.org 30 Nov 2000
- causes sbcl-0.6.9 to fail with
- error in function SB-KERNEL:ASSERT-ERROR:
- The assertion (EQ (SB-C::LAMBDA-TAIL-SET SB-C::CALLER)
- (SB-C::LAMBDA-TAIL-SET
- (SB-C::LAMBDA-HOME SB-C::CALLEE))) failed.
-
72:
(DECLAIM (OPTIMIZE ..)) doesn't work properly inside LOCALLY forms.
time trying to GC afterwards. Surely there's some more economical
way to implement (ROOM T).
-109:
- reported by Martin Atzmueller 2001-06-25; originally from CMU CL bugs
- collection:
- ;;; This file fails to compile.
- ;;; Maybe this bug is related to bugs #65, #70 in the BUGS file.
- (in-package :cl-user)
- (defun tst2 ()
- (labels
- ((eff (&key trouble)
- (eff)
- ;; nil
- ;; Uncomment and it works
- ))
- (eff)))
- In SBCL 0.6.12.42, the problem is
- internal error, failed AVER:
- "(COMMON-LISP:EQ (SB!C::LAMBDA-TAIL-SET SB!C::CALLER)
- (SB!C::LAMBDA-TAIL-SET (SB!C::LAMBDA-HOME SB!C::CALLEE)))"
-
110:
reported by Martin Atzmueller 2001-06-25; originally from CMU CL bugs
collection:
(let* ((bind-block (node-block bind))
(component (block-component bind-block))
(return (lambda-return clambda)))
- (aver (null (leaf-refs clambda)))
+ (dolist (ref (lambda-refs clambda))
+ (let ((home (node-home-lambda ref)))
+ (aver (eq home clambda))))
(unless (leaf-ever-used clambda)
(let ((*compiler-error-context* bind))
(compiler-note "deleting unused function~:[.~;~:*~% ~S~]"
(let* ((home (node-home-lambda call))
(home-env (lambda-physenv home)))
+ (aver (not (eq home clambda)))
+
;; CLAMBDA belongs to HOME now.
(push clambda (lambda-lets home))
(setf (lambda-home clambda) home)
;; All of CLAMBDA's LETs belong to HOME now.
(let ((lets (lambda-lets clambda)))
(dolist (let lets)
- (setf (lambda-home let) home)
- (setf (lambda-physenv let) home-env))
+ (setf (lambda-home let) home)
+ (setf (lambda-physenv let) home-env))
(setf (lambda-lets home) (nconc lets (lambda-lets home))))
;; CLAMBDA no longer has an independent existence as an entity
;; which has LETs.
;; HOME no longer calls CLAMBDA, and owns all of CLAMBDA's old
;; DFO dependencies.
(setf (lambda-calls-or-closes home)
- (delete clambda
- (nunion (lambda-calls-or-closes clambda)
- (lambda-calls-or-closes home))))
+ (delete clambda
+ (nunion (lambda-calls-or-closes clambda)
+ (lambda-calls-or-closes home))))
;; CLAMBDA no longer has an independent existence as an entity
;; which calls things or has DFO dependencies.
(setf (lambda-calls-or-closes clambda) nil)
;; All of CLAMBDA's ENTRIES belong to HOME now.
(setf (lambda-entries home)
- (nconc (lambda-entries clambda)
- (lambda-entries home)))
+ (nconc (lambda-entries clambda)
+ (lambda-entries home)))
;; CLAMBDA no longer has an independent existence as an entity
;; with ENTRIES.
(setf (lambda-entries clambda) nil))
(null (rest refs))
(member (functional-kind clambda) '(nil :assignment))
(not (functional-entry-fun clambda)))
- (let* ((ref-cont (node-cont (first refs)))
+ (let* ((ref (first refs))
+ (ref-cont (node-cont ref))
(dest (continuation-dest ref-cont)))
(when (and dest
(basic-combination-p dest)
(t
(reoptimize-continuation ref-cont)
nil)))
+ (when (eq clambda (node-home-lambda dest))
+ (delete-lambda clambda)
+ (return-from maybe-let-convert nil))
(unless (eq (functional-kind clambda) :assignment)
- (let-convert clambda dest))
+ (let-convert clambda dest))
(reoptimize-call dest)
(setf (functional-kind clambda)
(if (mv-combination-p dest) :mv-let :let))))
(declare (type clambda clambda))
(when (and (not (functional-kind clambda))
(not (functional-entry-fun clambda)))
- (let ((non-tail nil)
- (call-fun nil))
+ (let ((outside-non-tail-call nil)
+ (outside-call nil))
(when (and (dolist (ref (leaf-refs clambda) t)
(let ((dest (continuation-dest (node-cont ref))))
(when (or (not dest)
(return nil))
(let ((home (node-home-lambda ref)))
(unless (eq home clambda)
- (when call-fun
+ (when outside-call
(return nil))
- (setq call-fun home))
+ (setq outside-call dest))
(unless (node-tail-p dest)
- (when (or non-tail (eq home clambda))
+ (when (or outside-non-tail-call (eq home clambda))
(return nil))
- (setq non-tail dest)))))
+ (setq outside-non-tail-call dest)))))
(ok-initial-convert-p clambda))
- (setf (functional-kind clambda) :assignment)
- (let-convert clambda
- (or non-tail
- (continuation-dest
- (node-cont (first (leaf-refs clambda))))))
- (when non-tail
- (reoptimize-call non-tail))
- t))))
+ (cond (outside-call (setf (functional-kind clambda) :assignment)
+ (let-convert clambda outside-call)
+ (when outside-non-tail-call
+ (reoptimize-call outside-non-tail-call))
+ t)
+ (t (delete-lambda clambda)
+ nil))))))
;; a call to prevent the other arguments from being optimized away
(logand a1 a2 a3 a4 a5 a6 a7 a8 a9)))
-;;; bug 192, reported by Einar Floystad Dorum: Compiling this in 0.7.6
-;;; caused the compiler to try to constant-fold DATA-VECTOR-REF, which
-;;; is OK, except that there was no non-VOP definition of
-;;; DATA-VECTOR-REF, so it would fail.
+;;; bug 192, reported by Einar Floystad Dorum sbcl-devel 2002-08-14,
+;;; fixed in sbcl-0.7.6.26: Compiling this function in 0.7.6 caused
+;;; the compiler to try to constant-fold DATA-VECTOR-REF, which is OK,
+;;; except that there was no non-VOP definition of DATA-VECTOR-REF, so
+;;; it would fail.
(defun bug192 ()
(funcall
(LAMBDA (TEXT I L )
(WHEN T I))))))
INDEX)))
(G908 I))) "abcdefg" 0 (length "abcdefg")))
+
+;;; bugs #65, #70, and #109, closed by APD's patch sbcl-devel 2002-08-17
+;;;
+;;; This was "YA code deletion bug" whose symptom was the failure of
+;;; the assertion
+;;; (EQ (C::LAMBDA-TAIL-SET C::CALLER)
+;;; (C::LAMBDA-TAIL-SET (C::LAMBDA-HOME C::CALLEE)))
+;;; at compile time.
+(defun bug65-1 (termx termy) ; from Carl Witty on submit bugs list, debian.org
+ (labels
+ ((alpha-equal-bound-term-lists (listx listy)
+ (or (and (null listx) (null listy))
+ (and listx listy
+ (let ((bindings-x (bindings-of-bound-term (car listx)))
+ (bindings-y (bindings-of-bound-term (car listy))))
+ (if (and (null bindings-x) (null bindings-y))
+ (alpha-equal-terms (term-of-bound-term (car listx))
+ (term-of-bound-term (car listy)))
+ (and (= (length bindings-x) (length bindings-y))
+ (prog2
+ (enter-binding-pairs (bindings-of-bound-term (car listx))
+ (bindings-of-bound-term (car listy)))
+ (alpha-equal-terms (term-of-bound-term (car listx))
+ (term-of-bound-term (car listy)))
+ (exit-binding-pairs (bindings-of-bound-term (car listx))
+ (bindings-of-bound-term (car listy)))))))
+ (alpha-equal-bound-term-lists (cdr listx) (cdr listy)))))
+
+ (alpha-equal-terms (termx termy)
+ (if (and (variable-p termx)
+ (variable-p termy))
+ (equal-bindings (id-of-variable-term termx)
+ (id-of-variable-term termy))
+ (and (equal-operators-p (operator-of-term termx) (operator-of-term termy))
+ (alpha-equal-bound-term-lists (bound-terms-of-term termx)
+ (bound-terms-of-term termy))))))
+
+ (or (eq termx termy)
+ (and termx termy
+ (with-variable-invocation (alpha-equal-terms termx termy))))))
+(defun bug65-2 () ; from Bob Rogers cmucl-imp 1999-07-28
+ ;; Given an FSSP alignment file named by the argument . . .
+ (labels ((get-fssp-char ()
+ (get-fssp-char))
+ (read-fssp-char ()
+ (get-fssp-char)))
+ ;; Stub body, enough to tickle the bug.
+ (list (read-fssp-char)
+ (read-fssp-char))))
+(defun bug70 ; from David Young cmucl-help 30 Nov 2000
+ (item sequence &key (test #'eql))
+ (labels ((find-item (obj seq test &optional (val nil))
+ (let ((item (first seq)))
+ (cond ((null seq)
+ (values nil nil))
+ ((funcall test obj item)
+ (values val seq))
+ (t
+ (find-item obj
+ (rest seq)
+ test
+ (nconc val `(,item))))))))
+ (find-item item sequence test)))
+(defun bug109 () ; originally from CMU CL bugs collection, reported as
+ ; SBCL bug by MNA 2001-06-25
+ (labels
+ ((eff (&key trouble)
+ (eff)
+ ;; nil
+ ;; Uncomment and it works
+ ))
+ (eff)))
\f
;;; BUG 48a. and b. (symbol-macrolet handling), fixed by Eric Marsden
;;; and Raymond Toy for CMUCL, fix ported for sbcl-0.7.6.18.
;;; for internal versions, especially for internal versions off the
;;; main CVS branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.7.6.27"
+"0.7.6.28"
projects / sbcl.git / commitdiff