(cons x y))
(assert (equal (cons 1 2) (newfangled-cons 'right-thing 2 'left-thing 1)))
+;;; ANSI specifically says that duplicate keys are OK in lambda lists,
+;;; with no special exception for macro lambda lists. (As reported by
+;;; Pierre Mai on cmucl-imp 2001-03-30, Python didn't think so. The
+;;; rest of the thread had some entertainment value, at least for me
+;;; (WHN). The unbelievers were besmote and now even CMU CL will
+;;; conform to the spec in this regard. Who needs diplomacy when you
+;;; have brimstone?:-)
+(defmacro ayup-duplicate-keys-are-ok-i-see-the-lite (&key k)
+ k)
+(assert (equal (ayup-duplicate-keys-are-ok-i-see-the-lite :k 112) 112))
+(assert (equal (ayup-duplicate-keys-are-ok-i-see-the-lite :k 'x :k 'y) 'x))
+
+;;; As reported by Alexey Dejneka (sbcl-devel 2002-01-30), in
+;;; sbcl-0.7.1 plus his patch (i.e. essentially sbcl-0.7.1.2), the
+;;; compiler barfed on this, blowing up in FIND-IN-PHYSENV looking for
+;;; the LAMBDA-VAR named NUM. That was fixed in sbcl-0.7.1.3.
+(defun parse-num (index)
+ (let (num x)
+ (flet ((digs ()
+ (setq num index))
+ (z ()
+ (let ()
+ (setq x nil))))
+ (when (and (digs) (digs)) x))))
+
+;;; Bug 132: The compiler used to fail to compile INTEGER-valued CATCH
+;;; tags. This was fixed by Alexey Dejneka in sbcl-0.7.1.14. (INTEGER
+;;; catch tags are still a bad idea because EQ is used to compare
+;;; tags, and EQ comparison on INTEGERs is unportable; but now it's a
+;;; compiler warning instead of a failure to compile.)
+(defun foo ()
+ (catch 0 (print 1331)))
+
+;;; Bug 150: In sbcl-0.7.1.15, compiling this code caused a failure in
+;;; SB-C::ADD-TEST-CONSTRAINTS:
+;;; The value NIL is not of type SB-C::CONTINUATION.
+;;; This bug was fixed by APD in sbcl-0.7.1.30.
+(defun bug150-test1 ()
+ (let* ()
+ (flet ((wufn () (glorp table1 4.9)))
+ (gleep *uustk* #'wufn "#1" (list)))
+ (if (eql (lo foomax 3.2))
+ (values)
+ (error "not ~S" '(eql (lo foomax 3.2))))
+ (values)))
+;;; A simpler test case for bug 150: The compiler died with the
+;;; same type error when trying to compile this.
+(defun bug150-test2 ()
+ (let ()
+ (<)))
+
+;;; bug 147, fixed by APD 2002-04-28
+;;;
+;;; This test case used to crash the compiler, e.g. with
+;;; failed AVER: "(= (LENGTH (BLOCK-SUCC CALL-BLOCK)) 1)"
+(defun bug147 (string ind)
+ (flet ((digs ()
+ (let (old-index)
+ (if (and (< ind ind)
+ (typep (char string ind) '(member #\1)))
+ nil))))))
+
+;;; bug reported and fixed by Matthias Hoelzl sbcl-devel 2002-05-13
+(defmacro foo-2002-05-13 () ''x)
+(eval '(foo-2002-05-13))
+(compile 'foo-2002-05-13)
+(foo-2002-05-13) ; (The bug caused UNDEFINED-FUNCTION to be signalled here.)
+
+;;; floating point pain on the PPC.
+;;;
+;;; This test case used to fail to compile on most powerpcs prior to
+;;; sbcl-0.7.4.2x, as floating point traps were being incorrectly
+;;; masked.
+(defun floating-point-pain (x)
+ (declare (single-float x))
+ (log x))
+
+;;; bug found and fixed ca. sbcl-0.7.5.12: The INTERSECTION-TYPE
+;;; here satisfies "is a subtype of ARRAY-TYPE", but can't be
+;;; accessed with ARRAY-TYPE accessors like
+;;; ARRAY-TYPE-SPECIALIZED-ELEMENT-TYPE, so ARRAY-related
+;;; DEFTRANSFORMs died with TYPE-ERROR at compile time when
+;;; compiling the DEFUN here.
+(defun stupid-input-to-smart-array-deftransforms-0-7-5-12 (v)
+ (declare (type (and simple-vector fwd-type-ref) v))
+ (aref v 0))
+
+;;; Ca. sbcl-0.7.5.15 the compiler would fail an internal consistency
+;;; check on this code because it expected all calls to %INSTANCE-REF
+;;; to be transformed away, but its expectations were dashed by perverse
+;;; code containing app programmer errors like this.
+(defstruct something-known-to-be-a-struct x y)
+(multiple-value-bind (fun warnings-p failure-p)
+ (compile nil
+ '(lambda ()
+ (labels ((a1 (a2 a3)
+ (cond (t (a4 a2 a3))))
+ (a4 (a2 a3 a5 a6)
+ (declare (type (or simple-vector null) a5 a6))
+ (something-known-to-be-a-struct-x a5))
+ (a8 (a2 a3)
+ (a9 #'a1 a10 a2 a3))
+ (a11 (a2 a3)
+ (cond ((and (funcall a12 a2)
+ (funcall a12 a3))
+ (funcall a13 a2 a3))
+ (t
+ (when a14
+ (let ((a15 (a1 a2 a3)))
+ ))
+ a16))))
+ (values #'a17 #'a11))))
+ ;; Python sees the structure accessor on the known-not-to-be-a-struct
+ ;; A5 value and is very, very disappointed in you. (But it doesn't
+ ;; signal BUG any more.)
+ (assert failure-p))
+
+;;; On the SPARC, there was an erroneous definition of some VOPs used
+;;; to compile LOGANDs, which would lead to compilation of the
+;;; following function giving rise to a compile-time error (bug
+;;; spotted and fixed by Raymond Toy for CMUCL)
+(defun logand-sparc-bogons (a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10)
+ (declare (type (unsigned-byte 32) a0)
+ (type (signed-byte 32) a1 a2 a3 a4 a5 a6 a7 a8 a9 a10)
+ ;; to ensure that the call is a candidate for
+ ;; transformation
+ (optimize (speed 3) (safety 0) (compilation-speed 0) (debug 0)))
+ (values
+ ;; the call that fails compilation
+ (logand a0 a10)
+ ;; 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 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 )
+ (LABELS ((G908 (I)
+ (LET ((INDEX
+ (OR
+ (IF (= I L)
+ NIL
+ (LET ((S TEXT)
+ (E (ELT TEXT I)))
+ (DECLARE (IGNORABLE S E))
+ (WHEN (EQL #\a E)
+ (G909 (1+ I))))))))
+ INDEX))
+ (G909 (I)
+ (OR
+ (IF (= I L)
+ NIL
+ (LET ((S TEXT)
+ (E (ELT TEXT I)))
+ (DECLARE (IGNORABLE S E))
+ (WHEN (EQL #\b E) (G910 (1+ I)))))))
+ (G910 (I)
+ (LET ((INDEX
+ (OR
+ (IF NIL
+ NIL
+ (LET ((S TEXT))
+ (DECLARE (IGNORABLE S))
+ (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)))
+
+;;; bug 192a, fixed by APD "more strict type checking" patch
+;;; (sbcl-devel 2002-08-07)
+(defun bug192a (x)
+ (declare (optimize (speed 0) (safety 3)))
+ ;; Even with bug 192a, this declaration was checked as an assertion.
+ (declare (real x))
+ (+ x
+ (locally
+ ;; Because of bug 192a, this declaration was trusted without checking.
+ (declare (single-float x))
+ (sin x))))
+(assert (null (ignore-errors (bug192a nil))))
+(multiple-value-bind (result error) (ignore-errors (bug192a 100))
+ (assert (null result))
+ (assert (equal (type-error-expected-type error) 'single-float)))
+
+;;; bug 194, fixed in part by APD "more strict type checking" patch
+;;; (sbcl-devel 2002-08-07)
+(progn
+ #+nil ; FIXME: still broken in 0.7.7.19 (after patch)
+ (multiple-value-bind (result error)
+ (ignore-errors (multiple-value-prog1 (progn (the real '(1 2 3)))))
+ (assert (null result))
+ (assert (typep error 'type-error)))
+ #+nil ; FIXME: still broken in 0.7.7.19 (after patch)
+ (multiple-value-bind (result error)
+ (ignore-errors (the real '(1 2 3)))
+ (assert (null result))
+ (assert (typep error 'type-error))))
+\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.
+(multiple-value-bind (function warnings-p failure-p)
+ (compile nil '(lambda () (symbol-macrolet ((t nil)) t)))
+ (assert failure-p)
+ (assert (raises-error? (funcall function) program-error)))
+(multiple-value-bind (function warnings-p failure-p)
+ (compile nil
+ '(lambda ()
+ (symbol-macrolet ((*standard-input* nil))
+ *standard-input*)))
+ (assert failure-p)
+ (assert (raises-error? (funcall function) program-error)))
+#||
+BUG 48c, not yet fixed:
+(multiple-value-bind (function warnings-p failure-p)
+ (compile nil '(lambda () (symbol-macrolet ((s nil)) (declare (special s)) s)))
+ (assert failure-p)
+ (assert (raises-error? (funcall function) program-error)))
+||#
+\f
+;;; bug 120a: Turned out to be constraining code looking like (if foo
+;;; <X> <X>) where <X> was optimized by the compiler to be the exact
+;;; same block in both cases, but not turned into (PROGN FOO <X>).
+;;; Fixed by APD in sbcl-0.7.7.2, who provided this test:
+(declaim (inline dont-constrain-if-too-much))
+(defun dont-constrain-if-too-much (frame up-frame)
+ (declare (optimize (speed 3) (safety 1) (debug 1)))
+ (if (or (not frame) t)
+ frame
+ "bar"))
+(defun dont-constrain-if-too-much-aux (x y)
+ (declare (optimize (speed 3) (safety 1) (debug 1)))
+ (if x t (if y t (dont-constrain-if-too-much x y))))
+
+(assert (null (dont-constrain-if-too-much-aux nil nil)))
+\f
+;;;; tests not in the problem domain, but of the consistency of the
+;;;; compiler machinery itself
+
+(in-package "SB-C")
+
+;;; Hunt for wrong-looking things in fundamental compiler definitions,
+;;; and gripe about them.
+;;;
+;;; FIXME: It should be possible to (1) repair the things that this
+;;; code gripes about, and then (2) make the code signal errors
+;;; instead of just printing complaints to standard output, in order
+;;; to prevent the code from later falling back into disrepair.
+(defun grovel-results (function)
+ (dolist (template (fun-info-templates (info :function :info function)))
+ (when (template-more-results-type template)
+ (format t "~&Template ~A has :MORE results, and translates ~A.~%"
+ (template-name template)
+ function)
+ (return nil))
+ (when (eq (template-result-types template) :conditional)
+ ;; dunno.
+ (return t))
+ (let ((types (template-result-types template))
+ (result-type (fun-type-returns (info :function :type function))))
+ (cond
+ ((values-type-p result-type)
+ (do ((ltypes (append (args-type-required result-type)
+ (args-type-optional result-type))
+ (rest ltypes))
+ (types types (rest types)))
+ ((null ltypes)
+ (unless (null types)
+ (format t "~&More types than ltypes in ~A, translating ~A.~%"
+ (template-name template)
+ function)
+ (return nil)))
+ (when (null types)
+ (unless (null ltypes)
+ (format t "~&More ltypes than types in ~A, translating ~A.~%"
+ (template-name template)
+ function)
+ (return nil)))))
+ ((eq result-type (specifier-type nil))
+ (unless (null types)
+ (format t "~&Template ~A returns values for function ~A with RESULT-TYPE NIL.~%"
+ (template-name template)
+ function)
+ (return nil)))
+ ((/= (length types) 1)
+ (format t "~&Template ~A isn't returning 1 value for ~A.~%"
+ (template-name template)
+ function)
+ (return nil))
+ (t t)))))
+(defun identify-suspect-vops (&optional (env (first
+ (last *info-environment*))))
+ (do-info (env :class class :type type :name name :value value)
+ (when (and (eq class :function) (eq type :type))
+ ;; OK, so we have an entry in the INFO database. Now, if ...
+ (let* ((info (info :function :info name))
+ (templates (and info (fun-info-templates info))))
+ (when templates
+ ;; ... it has translators
+ (grovel-results name))))))
+(identify-suspect-vops)
+\f
;;; success
(quit :unix-status 104)