[8f4ef0]: tests / compiler.pure.lisp Maximize Restore History

Download this file

compiler.pure.lisp    617 lines (550 with data), 22.8 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
;;;; various compiler tests without side effects
;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;;
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
(cl:in-package :cl-user)
;;; Exercise a compiler bug (by crashing the compiler).
;;;
;;; This test code is from Douglas Crosher's simplified TICKLE-BUG
;;; (2000-09-06 on cmucl-imp).
;;;
;;; The bug was fixed by Douglas Crosher's patch, massaged for SBCL by
;;; Martin Atzmueller (2000-09-13 on sbcl-devel).
(funcall (compile nil
'(lambda ()
(labels ((fun1 ()
(fun2))
(fun2 ()
(when nil
(tagbody
tag
(fun2)
(go tag)))
(when nil
(tagbody
tag
(fun1)
(go tag)))))
(fun1)
nil))))
;;; Exercise a compiler bug (by crashing the compiler).
;;;
;;; Tim Moore gave a patch for this bug in CMU CL 2000-05-24 on
;;; cmucl-imp, and Martin Atzmueller applied it to SBCL.
(funcall (compile nil
'(lambda (x)
(or (integerp x)
(block used-by-some-y?
(flet ((frob (stk)
(dolist (y stk)
(unless (rejected? y)
(return-from used-by-some-y? t)))))
(declare (inline frob))
(frob (rstk x))
(frob (mrstk x)))
nil))))
13)
;;; bug 112, reported by Martin Atzmueller 2001-06-25 (originally
;;; from Bruno Haible in CMU CL bugs collection), fixed by
;;; Alexey Dejneka 2002-01-27
(assert (= 1 ; (used to give 0 under bug 112)
(let ((x 0))
(declare (special x))
(let ((x 1))
(let ((y x))
(declare (special x)) y)))))
(assert (= 1 ; (used to give 1 even under bug 112, still works after fix)
(let ((x 0))
(declare (special x))
(let ((x 1))
(let ((y x) (x 5))
(declare (special x)) y)))))
;;; another LET-related bug fixed by Alexey Dejneka at the same
;;; time as bug 112
(multiple-value-bind (fun warnings-p failure-p)
;; should complain about duplicate variable names in LET binding
(compile nil
'(lambda ()
(let (x
(x 1))
(list x))))
(declare (ignore warnings-p))
(assert (functionp fun))
(assert failure-p))
;;; bug 169 (reported by Alexey Dejneka 2002-05-12, fixed by David
;;; Lichteblau 2002-05-21)
(progn
(multiple-value-bind (fun warnings-p failure-p)
(compile nil
;; Compiling this code should cause a STYLE-WARNING
;; about *X* looking like a special variable but not
;; being one.
'(lambda (n)
(let ((*x* n))
(funcall (symbol-function 'x-getter))
(print *x*))))
(assert (functionp fun))
(assert warnings-p)
(assert (not failure-p)))
(multiple-value-bind (fun warnings-p failure-p)
(compile nil
;; Compiling this code should not cause a warning
;; (because the DECLARE turns *X* into a special
;; variable as its name suggests it should be).
'(lambda (n)
(let ((*x* n))
(declare (special *x*))
(funcall (symbol-function 'x-getter))
(print *x*))))
(assert (functionp fun))
(assert (not warnings-p))
(assert (not failure-p))))
;;; a bug in 0.7.4.11
(dolist (i '(a b 1 2 "x" "y"))
;; In sbcl-0.7.4.11, the compiler tried to source-transform the
;; TYPEP here but got confused and died, doing
;; (ASSOC '(AND INTEGERP (SATISFIES PLUSP)))
;; *BACKEND-TYPE-PREDICATES*
;; :TEST #'TYPE=)
;; and blowing up because TYPE= tried to call PLUSP on the
;; characters of the MEMBER-TYPE representing STANDARD-CHAR.
(when (typep i '(and integer (satisfies oddp)))
(print i)))
(dotimes (i 14)
(when (typep i '(and integer (satisfies oddp)))
(print i)))
;;; bug 156 (reported by APD sbcl-devel 2002-04-12, fixed by CSR patch
;;; sbcl-devel 2002-07-02): FUNCTION-LAMBDA-EXPRESSION of
;;; interactively-compiled functions was broken by sleaziness and
;;; confusion in the assault on 0.7.0, so this expression used to
;;; signal TYPE-ERROR when it found NIL instead of a DEBUG-SOURCE.
(eval '(function-lambda-expression #'(lambda (x) x)))
;;; bug caught and fixed by Raymond Toy cmucl-imp 2002-07-10: &REST
;;; variable is not optional.
(assert (null (ignore-errors (eval '(funcall (lambda (&rest) 12))))))
;;; on the PPC, we got the magic numbers in undefined_tramp wrong for
;;; a while; fixed by CSR 2002-07-18
(multiple-value-bind (value error)
(ignore-errors (some-undefined-function))
(assert (null value))
(assert (eq (cell-error-name error) 'some-undefined-function)))
;;; Non-symbols shouldn't be allowed as VARs in lambda lists. (Where VAR
;;; is a variable name, as in section 3.4.1 of the ANSI spec.)
(assert (null (ignore-errors (eval '(lambda ("foo") 12)))))
(assert (ignore-errors (eval '(lambda (foo) 12))))
(assert (null (ignore-errors (eval '(lambda (&optional 12) "foo")))))
(assert (ignore-errors (eval '(lambda (&optional twelve) "foo"))))
(assert (null (ignore-errors (eval '(lambda (&optional (12 12)) "foo")))))
(assert (ignore-errors (eval '(lambda (&optional (twelve 12)) "foo"))))
(assert (null (ignore-errors (eval '(lambda (&key #\c) "foo")))))
(assert (ignore-errors (eval '(lambda (&key c) "foo"))))
(assert (null (ignore-errors (eval '(lambda (&key (#\c #\c)) "foo")))))
(assert (ignore-errors (eval '(lambda (&key (c #\c)) "foo"))))
(assert (null (ignore-errors (eval '(lambda (&key ((#\c #\c) #\c)) "foo")))))
(assert (ignore-errors (eval '(lambda (&key ((:c cbyanyothername) #\c)) "foo"))))
;;; As reported and fixed by Antonio Martinez-Shotton sbcl-devel
;;; 2002-09-12, this failed in sbcl-0.7.7.23. (with failed AVER
;;; "(LEAF-HAS-SOURCE-NAME-P LEAF)")
(assert (= (funcall (eval `(lambda (x) (funcall ,(lambda (y) (+ y 3)) x))) 14)
17))
;;; bug 181: bad type specifier dropped compiler into debugger
(assert (list (compile nil '(lambda (x)
(declare (type (0) x))
x))))
(let ((f (compile nil '(lambda (x)
(make-array 1 :element-type '(0))))))
(assert (null (ignore-errors (funcall f)))))
;;; the following functions must not be flushable
(dolist (form '((make-sequence 'fixnum 10)
(concatenate 'fixnum nil)
(map 'fixnum #'identity nil)
(merge 'fixnum nil nil #'<)))
(assert (not (eval `(locally (declare (optimize (safety 0)))
(ignore-errors (progn ,form t)))))))
(dolist (form '((values-list (car (list '(1 . 2))))
(fboundp '(set bet))
(atan #c(1 1) (car (list #c(2 2))))
(nthcdr (car (list (floor (cos 3)))) '(1 2 3 4 5))
(nthcdr (car (list 5)) '(1 2 . 3))))
(assert (not (eval `(locally (declare (optimize (safety 3)))
(ignore-errors (progn ,form t)))))))
;;; a bug in the MAP deftransform caused non-VECTOR array specifiers
;;; to cause errors in the compiler. Fixed by CSR in 0.7.8.10
(assert (list (compile nil '(lambda (x) (map 'simple-array 'identity x)))))
;;; bug 129: insufficient syntax checking in MACROLET
(multiple-value-bind (result error)
(ignore-errors (eval '(macrolet ((foo x `',x)) (foo 1 2 3))))
(assert (null result))
(assert (typep error 'error)))
;;; bug 124: environment of MACROLET-introduced macro expanders
(assert (equal
(macrolet ((mext (x) `(cons :mext ,x)))
(macrolet ((mint (y) `'(:mint ,(mext y))))
(list (mext '(1 2))
(mint (1 2)))))
'((:MEXT 1 2) (:MINT (:MEXT 1 2)))))
;;; bug 48c: SYMBOL-MACROLET should signal PROGRAM-ERROR if introduced
;;; symbol is declared to be SPECIAL
(multiple-value-bind (result error)
(ignore-errors (funcall (lambda ()
(symbol-macrolet ((s '(1 2)))
(declare (special s))
s))))
(assert (null result))
(assert (typep error 'program-error)))
;;; ECASE should treat a bare T as a literal key
(multiple-value-bind (result error)
(ignore-errors (ecase 1 (t 0)))
(assert (null result))
(assert (typep error 'type-error)))
(multiple-value-bind (result error)
(ignore-errors (ecase 1 (t 0) (1 2)))
(assert (eql result 2))
(assert (null error)))
;;; FTYPE should accept any functional type specifier
(compile nil '(lambda (x) (declare (ftype function f)) (f x)))
;;; FUNCALL of special operators and macros should signal an
;;; UNDEFINED-FUNCTION error
(multiple-value-bind (result error)
(ignore-errors (funcall 'quote 1))
(assert (null result))
(assert (typep error 'undefined-function))
(assert (eq (cell-error-name error) 'quote)))
(multiple-value-bind (result error)
(ignore-errors (funcall 'and 1))
(assert (null result))
(assert (typep error 'undefined-function))
(assert (eq (cell-error-name error) 'and)))
;;; PSETQ should behave when given complex symbol-macro arguments
(multiple-value-bind (sequence index)
(symbol-macrolet ((x (aref a (incf i)))
(y (aref a (incf i))))
(let ((a (copy-seq #(0 1 2 3 4 5 6 7 8 9)))
(i 0))
(psetq x (aref a (incf i))
y (aref a (incf i)))
(values a i)))
(assert (equalp sequence #(0 2 2 4 4 5 6 7 8 9)))
(assert (= index 4)))
(multiple-value-bind (result error)
(ignore-errors
(let ((x (list 1 2)))
(psetq (car x) 3)
x))
(assert (null result))
(assert (typep error 'program-error)))
;;; COPY-SEQ should work on known-complex vectors:
(assert (equalp #(1)
(let ((v (make-array 0 :fill-pointer 0)))
(vector-push-extend 1 v)
(copy-seq v))))
;;; to support INLINE functions inside MACROLET, it is necessary for
;;; FUNCTION-LAMBDA-EXPRESSION to return a proper lambda expression in
;;; certain circumstances, one of which is when compile is called from
;;; top-level.
(assert (equal
(function-lambda-expression
(compile nil '(lambda (x) (block nil (print x)))))
'(lambda (x) (block nil (print x)))))
;;; bug 62: too cautious type inference in a loop
(assert (nth-value
2
(compile nil
'(lambda (a)
(declare (optimize speed (safety 0)))
(typecase a
(array (loop (print (car a)))))))))
;;; Bug reported by Robert E. Brown sbcl-devel 2003-02-02: compiler
;;; failure
(compile nil
'(lambda (key tree collect-path-p)
(let ((lessp (key-lessp tree))
(equalp (key-equalp tree)))
(declare (type (function (t t) boolean) lessp equalp))
(let ((path '(nil)))
(loop for node = (root-node tree)
then (if (funcall lessp key (node-key node))
(left-child node)
(right-child node))
when (null node)
do (return (values nil nil nil))
do (when collect-path-p
(push node path))
(when (funcall equalp key (node-key node))
(return (values node path t))))))))
;;; CONSTANTLY should return a side-effect-free function (bug caught
;;; by Paul Dietz' test suite)
(let ((i 0))
(let ((fn (constantly (progn (incf i) 1))))
(assert (= i 1))
(assert (= (funcall fn) 1))
(assert (= i 1))
(assert (= (funcall fn) 1))
(assert (= i 1))))
;;; Bug 240 reported by tonyms on #lisp IRC 2003-02-25 (modified version)
(loop for (fun warns-p) in
'(((lambda (&optional *x*) *x*) t)
((lambda (&optional *x* &rest y) (values *x* y)) t)
((lambda (&optional *print-length*) (values *print-length*)) nil)
((lambda (&optional *print-length* &rest y) (values *print-length* y)) nil)
((lambda (&optional *x*) (declare (special *x*)) (values *x*)) nil)
((lambda (&optional *x* &rest y) (declare (special *x*)) (values *x* y)) nil))
for real-warns-p = (nth-value 1 (compile nil fun))
do (assert (eq warns-p real-warns-p)))
;;; Bug reported by Gilbert Baumann on #lisp IRC 2003-03-26
(assert (equal (funcall (eval '(lambda (x &optional (y (pop x))) (list x y)))
'(1 2))
'((2) 1)))
;;; Bug reported by Paul Dietz on cmucl-imp and fixed by Gerd
;;; Moellmann: CONVERT-MORE-CALL failed on the following call
(assert (eq (eval '((lambda (&key) 'u) :allow-other-keys nil)) 'u))
(raises-error? (multiple-value-bind (a b c)
(eval '(truncate 3 4))
(declare (integer c))
(list a b c))
type-error)
(assert (equal (multiple-value-list (the (values &rest integer)
(eval '(values 3))))
'(3)))
;;; Bug relating to confused representation for the wild function
;;; type:
(assert (null (funcall (eval '(lambda () (multiple-value-list (values)))))))
;;; &ENVIRONMENT parameter should be bound first (from Paul Dietz'
;;; test suite)
(assert (eql (macrolet ((foo () 1))
(macrolet ((%f (&optional (x (macroexpand '(foo) env)) &environment env)
x))
(%f)))
1))
;;; MACROLET should check for duplicated names
(dolist (ll '((x (z x))
(x y &optional z x w)
(x y &optional z z)
(x &rest x)
(x &rest (y x))
(x &optional (y nil x))
(x &optional (y nil y))
(x &key x)
(x &key (y nil x))
(&key (y nil z) (z nil w))
(&whole x &optional x)
(&environment x &whole x)))
(assert (nth-value 2
(handler-case
(compile nil
`(lambda ()
(macrolet ((foo ,ll nil)
(bar (&environment env)
`',(macro-function 'foo env)))
(bar))))
(error (c)
(values nil t t))))))
(assert (typep (eval `(the arithmetic-error
',(make-condition 'arithmetic-error)))
'arithmetic-error))
(assert (not (nth-value
2 (compile nil '(lambda ()
(make-array nil :initial-element 11))))))
(assert (raises-error? (funcall (eval #'open) "assertoid.lisp"
:external-format '#:nonsense)))
(assert (raises-error? (funcall (eval #'load) "assertoid.lisp"
:external-format '#:nonsense)))
(assert (= (the (values integer symbol) (values 1 'foo 13)) 1))
(let ((f (compile nil
'(lambda (v)
(declare (optimize (safety 3)))
(list (the fixnum (the (real 0) (eval v))))))))
(assert (raises-error? (funcall f 0.1) type-error))
(assert (raises-error? (funcall f -1) type-error)))
;;; the implicit block does not enclose lambda list
(let ((forms '((defmacro #1=#:foo (&optional (x (return-from #1#))))
#+nil(macrolet ((#2=#:foo (&optional (x (return-from #2#))))))
(define-compiler-macro #3=#:foo (&optional (x (return-from #3#))))
(deftype #4=#:foo (&optional (x (return-from #4#))))
(define-setf-expander #5=#:foo (&optional (x (return-from #5#))))
(defsetf #6=#:foo (&optional (x (return-from #6#))) ()))))
(dolist (form forms)
(assert (nth-value 2 (compile nil `(lambda () ,form))))))
(assert (nth-value 2 (compile nil
'(lambda ()
(svref (make-array '(8 9) :adjustable t) 1)))))
;;; CHAR= did not check types of its arguments (reported by Adam Warner)
(raises-error? (funcall (compile nil '(lambda (x y z) (char= x y z)))
#\a #\b nil)
type-error)
(raises-error? (funcall (compile nil
'(lambda (x y z)
(declare (optimize (speed 3) (safety 3)))
(char/= x y z)))
nil #\a #\a)
type-error)
;;; Compiler lost return type of MAPCAR and friends
(dolist (fun '(mapcar mapc maplist mapl))
(assert (nth-value 2 (compile nil
`(lambda (x)
(1+ (,fun #'print x)))))))
(assert (nth-value 2 (compile nil
'(lambda ()
(declare (notinline mapcar))
(1+ (mapcar #'print '(1 2 3)))))))
;;; bug found by Paul Dietz: (SETF AREF) for bit vectors with constant
;;; index was effectless
(let ((f (compile nil '(lambda (a v)
(declare (type simple-bit-vector a) (type bit v))
(declare (optimize (speed 3) (safety 0)))
(setf (aref a 0) v)
a))))
(let ((y (make-array 2 :element-type 'bit :initial-element 0)))
(assert (equal y #*00))
(funcall f y 1)
(assert (equal y #*10))))
(handler-bind ((sb-ext:compiler-note #'error))
(compile nil '(lambda (x)
(declare (type (simple-array (simple-string 3) (5)) x))
(aref (aref x 0) 0))))
;;; compiler failure
(let ((f (compile nil '(lambda (x) (typep x '(not (member 0d0)))))))
(assert (funcall f 1d0)))
(compile nil '(lambda (x)
(declare (double-float x))
(let ((y (* x pi)))
(atan y y))))
;;; bogus optimization of BIT-NOT
(multiple-value-bind (result x)
(eval '(let ((x (eval #*1001)))
(declare (optimize (speed 2) (space 3))
(type (bit-vector) x))
(values (bit-not x nil) x)))
(assert (equal x #*1001))
(assert (equal result #*0110)))
;;; the VECTOR type in CONCATENATE/MERGE/MAKE-SEQUENCE means (VECTOR T).
(handler-bind ((sb-ext:compiler-note #'error))
(assert (equalp (funcall
(compile
nil
'(lambda ()
(let ((x (make-sequence 'vector 10 :initial-element 'a)))
(setf (aref x 4) 'b)
x))))
#(a a a a b a a a a a))))
;;; this is not a check for a bug, but rather a test of compiler
;;; quality
(dolist (type '((integer 0 *) ; upper bound
(real (-1) *)
float ; class
(real * (-10)) ; lower bound
))
(assert (nth-value
1 (compile nil
`(lambda (n)
(declare (optimize (speed 3) (compilation-speed 0)))
(loop for i from 1 to (the (integer -17 10) n) by 2
collect (when (> (random 10) 5)
(the ,type (- i 11)))))))))
;;; bug 278b
;;;
;;; We suppose that INTEGER arithmetic cannot be efficient, and the
;;; compiler has an optimized VOP for +; so this code should cause an
;;; efficiency note.
(assert (eq (block nil
(handler-case
(compile nil '(lambda (i)
(declare (optimize speed))
(declare (type integer i))
(+ i 2)))
(sb-ext:compiler-note (c) (return :good))))
:good))
;;; bug 277: IGNORE/IGNORABLE declarations should be acceptable for
;;; symbol macros
(assert (not (nth-value 1 (compile nil '(lambda (u v)
(symbol-macrolet ((x u)
(y v))
(declare (ignore x)
(ignorable y))
(list u v)))))))
;;; bug reported by Paul Dietz: wrong optimizer for (EXPT ... 0)
(loop for (x type) in
'((14 integer)
(14 rational)
(-14/3 (rational -8 11))
(3s0 short-float)
(4f0 single-float)
(5d0 double-float)
(6l0 long-float)
(14 real)
(13/2 real)
(2s0 real)
(2d0 real)
(#c(-3 4) (complex fixnum))
(#c(-3 4) (complex rational))
(#c(-3/7 4) (complex rational))
(#c(2s0 3s0) (complex short-float))
(#c(2f0 3f0) (complex single-float))
(#c(2d0 3d0) (complex double-float))
(#c(2l0 3l0) (complex long-float))
(#c(2d0 3s0) (complex float))
(#c(2 3f0) (complex real))
(#c(2 3d0) (complex real))
(#c(-3/7 4) (complex real))
(#c(-3/7 4) complex)
(#c(2 3l0) complex))
do (dolist (zero '(0 0s0 0f0 0d0 0l0))
(dolist (real-zero (list zero (- zero)))
(let* ((src `(lambda (x) (expt (the ,type x) ,real-zero)))
(fun (compile nil src))
(result (1+ (funcall (eval #'*) x real-zero))))
(assert (eql result (funcall fun x)))))))
;;; (SIGNED-BYTE 1) [ returned from the logxor derive-type optimizer ]
;;; wasn't recognized as a good type specifier.
(let ((fun (lambda (x y)
(declare (type (integer -1 0) x y) (optimize speed))
(logxor x y))))
(assert (= (funcall fun 0 0) 0))
(assert (= (funcall fun 0 -1) -1))
(assert (= (funcall fun -1 -1) 0)))
;;; from PFD's torture test, triggering a bug in our effective address
;;; treatment.
(compile
nil
`(lambda (a b)
(declare (type (integer 8 22337) b))
(logandc2
(logandc2
(* (logandc1 (max -29303 b) 4) b)
(abs (logorc1 (+ (logandc1 -11 b) 2607688420) -31153924)))
(logeqv (max a 0) b))))
;;; Alpha floating point modes weren't being reset after an exception,
;;; leading to an exception on the second compile, below.
(compile nil '(lambda (x y) (declare (type (double-float 0.0d0) x y)) (/ x y)))
(handler-case (/ 1.0 0.0)
;; provoke an exception
(arithmetic-error ()))
(compile nil '(lambda (x y) (declare (type (double-float 0.0d0) x y)) (/ x y)))
;;; bug reported by Paul Dietz: component last block does not have
;;; start ctran
(compile nil
'(lambda ()
(declare (notinline + logand)
(optimize (speed 0)))
(LOGAND
(BLOCK B5
(FLET ((%F1 ()
(RETURN-FROM B5 -220)))
(LET ((V7 (%F1)))
(+ 359749 35728422))))
-24076)))
;;; bug in Alpha backend: not enough sanity checking of arguments to
;;; instructions
(assert (= (funcall (compile nil
'(lambda (x)
(declare (fixnum x))
(ash x -257)))
1024)
0))