X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Fdynamic-extent.impure.lisp;h=9b06fd761167e766eddd427a9677d228ea10fc70;hb=a189a69454ef7635149319ae213b337f17c50d20;hp=3c0d247bdcf5d6509ff074760ed58e615f3bf4e7;hpb=08b0e98910af7154f2afe68f2f16618754f74461;p=sbcl.git

diff --git a/tests/dynamic-extent.impure.lisp b/tests/dynamic-extent.impure.lisp
index 3c0d247..9b06fd7 100644
--- a/tests/dynamic-extent.impure.lisp
+++ b/tests/dynamic-extent.impure.lisp
@@ -6,31 +6,47 @@
 ;;;; 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.
 
-(setq sb-c::*check-consistency* t)
+(when (eq sb-ext:*evaluator-mode* :interpret)
+  (sb-ext:exit :code 104))
+
+(load "compiler-test-util.lisp")
+(use-package :ctu)
+
+(setq sb-c::*check-consistency* t
+      sb-ext:*stack-allocate-dynamic-extent* t)
 
 (defmacro defun-with-dx (name arglist &body body)
-  `(locally
-     (declare (optimize sb-c::stack-allocate-dynamic-extent))
-     (defun ,name ,arglist
-       ,@body)))
+  (let ((debug-name (sb-int:symbolicate name "-HIGH-DEBUG"))
+        (default-name (sb-int:symbolicate name "-DEFAULT")))
+    `(progn
+       (defun ,debug-name ,arglist
+         (declare (optimize debug))
+         ,@body)
+       (defun ,default-name ,arglist
+        ,@body)
+       (defun ,name (&rest args)
+         (apply #',debug-name args)
+         (apply #',default-name args)))))
 
 (declaim (notinline opaque-identity))
 (defun opaque-identity (x)
   x)
 
 ;;; &REST lists
+
 (defun-with-dx dxlength (&rest rest)
   (declare (dynamic-extent rest))
   (length rest))
 
-(assert (= (dxlength 1 2 3) 3))
-(assert (= (dxlength t t t t t t) 6))
-(assert (= (dxlength) 0))
+(with-test (:name (:dx-&rest :basics))
+  (assert (= (dxlength 1 2 3) 3))
+  (assert (= (dxlength t t t t t t) 6))
+  (assert (= (dxlength) 0)))
 
 (defun callee (list)
   (destructuring-bind (a b c d e f &rest g) list
@@ -39,15 +55,20 @@
 (defun-with-dx dxcaller (&rest rest)
   (declare (dynamic-extent rest))
   (callee rest))
-(assert (= (dxcaller 1 2 3 4 5 6 7) 22))
+
+(with-test (:name (:dx-&rest :pass-down-to-callee :tail-call))
+  (assert (= (dxcaller 1 2 3 4 5 6 7) 22)))
 
 (defun-with-dx dxcaller-align-1 (x &rest rest)
   (declare (dynamic-extent rest))
   (+ x (callee rest)))
-(assert (= (dxcaller-align-1 17 1 2 3 4 5 6 7) 39))
-(assert (= (dxcaller-align-1 17 1 2 3 4 5 6 7 8) 40))
+
+(with-test (:name (:dx-&rest :pass-down-to-callee :non-tail-call))
+  (assert (= (dxcaller-align-1 17 1 2 3 4 5 6 7) 39))
+  (assert (= (dxcaller-align-1 17 1 2 3 4 5 6 7 8) 40)))
 
 ;;; %NIP-VALUES
+
 (defun-with-dx test-nip-values ()
   (flet ((bar (x &rest y)
            (declare (dynamic-extent y))
@@ -58,16 +79,20 @@
       (bar 1 2 3 4 5 6)
       (bar -1 'a 'b))))
 
-(assert (equal (multiple-value-list (test-nip-values)) '(1 5 a)))
+(with-test (:name (:nip-values))
+  (assert (equal (multiple-value-list (test-nip-values)) '(1 5 a))))
 
 ;;; LET-variable substitution
+
 (defun-with-dx test-let-var-subst1 (x)
   (let ((y (list x (1- x))))
     (opaque-identity :foo)
     (let ((z (the list y)))
       (declare (dynamic-extent z))
       (length z))))
-(assert (eql (test-let-var-subst1 17) 2))
+
+(with-test (:name (:let-variable-substitution))
+  (assert (eql (test-let-var-subst1 17) 2)))
 
 (defun-with-dx test-let-var-subst2 (x)
   (let ((y (list x (1- x))))
@@ -75,16 +100,22 @@
     (opaque-identity :foo)
     (let ((z (the list y)))
       (length z))))
-(assert (eql (test-let-var-subst2 17) 2))
+
+(with-test (:name (:let-variable-substitution-2))
+  (assert (eql (test-let-var-subst2 17) 2)))
+
 
 ;;; DX propagation through LET-return.
+
 (defun-with-dx test-lvar-subst (x)
   (let ((y (list x (1- x))))
     (declare (dynamic-extent y))
     (second (let ((z (the list y)))
               (opaque-identity :foo)
               z))))
-(assert (eql (test-lvar-subst 11) 10))
+
+(with-test (:name (:dx-propagation-through-let-return))
+  (assert (eql (test-lvar-subst 11) 10)))
 
 ;;; this code is incorrect, but the compiler should not fail
 (defun-with-dx test-let-var-subst-incorrect (x)
@@ -96,64 +127,556 @@
       z)))
 
 ;;; alignment
+
 (defvar *x*)
 (defun-with-dx test-alignment-dx-list (form)
   (multiple-value-prog1 (eval form)
     (let ((l (list 1 2 3 4)))
       (declare (dynamic-extent l))
       (setq *x* (copy-list l)))))
-(dotimes (n 64)
-  (let* ((res (loop for i below n collect i))
-         (form `(values ,@res)))
-    (assert (equal (multiple-value-list (test-alignment-dx-list form)) res))
-    (assert (equal *x* '(1 2 3 4)))))
 
+(with-test (:name (:dx-list :alignment))
+  (dotimes (n 64)
+    (let* ((res (loop for i below n collect i))
+           (form `(values ,@res)))
+      (assert (equal (multiple-value-list (test-alignment-dx-list form)) res))
+      (assert (equal *x* '(1 2 3 4))))))
 
+;;; closure
 
-
-(defmacro assert-no-consing (form &optional times)
-  `(%assert-no-consing (lambda () ,form ,times)))
-(defun %assert-no-consing (thunk &optional times)
-  (let ((before (get-bytes-consed))
-        (times (or times 10000)))
-    (declare (type (integer 1 *) times))
-    (dotimes (i times)
-      (funcall thunk))
-    (assert (< (- (get-bytes-consed) before) times))))
-
-#+(or x86 x86-64 alpha ppc)
-(progn
+(declaim (notinline true))
+(defun true (x)
+  (declare (ignore x))
+  t)
+
+(defun-with-dx dxclosure (x)
+  (flet ((f (y)
+           (+ y x)))
+    (declare (dynamic-extent #'f))
+    (true #'f)))
+
+(with-test (:name (:dx-closure))
+  (assert (eq t (dxclosure 13))))
+
+;;; value-cells
+
+(defun-with-dx dx-value-cell (x)
+  ;; Not implemented everywhere, yet.
+  #+(or x86 x86-64 mips hppa)
+  (let ((cell x))
+    (declare (sb-int:truly-dynamic-extent cell))
+    (flet ((f ()
+             (incf cell)))
+      (declare (dynamic-extent #'f))
+      (true #'f))))
+
+;;; CONS
+
+(defun-with-dx cons-on-stack (x)
+  (let ((cons (cons x x)))
+    (declare (dynamic-extent cons))
+    (true cons)
+    nil))
+
+;;; MAKE-ARRAY
+
+(defun force-make-array-on-stack (n)
+  (declare (optimize safety))
+  (let ((v (make-array (min n 1))))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-1 ()
+  (let ((v (make-array '(42) :element-type 'single-float)))
+    (declare (dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-2 (n x)
+  (declare (integer n))
+  (let ((v (make-array n :initial-contents x)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-3 (x y z)
+  (let ((v (make-array 3
+                       :element-type 'fixnum :initial-contents (list x y z)
+                       :element-type t :initial-contents x)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-4 ()
+  (let ((v (make-array 3 :initial-contents '(1 2 3))))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-5 ()
+  (let ((v (make-array 3 :initial-element 12 :element-type t)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-6 ()
+  (let ((v (make-array 3 :initial-element 12 :element-type '(unsigned-byte 8))))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-7 ()
+  (let ((v (make-array 3 :initial-element 12 :element-type '(signed-byte 8))))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-8 ()
+  (let ((v (make-array 3 :initial-element 12 :element-type 'word)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-9 ()
+  (let ((v (make-array 3 :initial-element 12.0 :element-type 'single-float)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-10 ()
+  (let ((v (make-array 3 :initial-element 12.0d0 :element-type 'double-float)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx make-array-on-stack-11 ()
+  (let ((v (make-array (the integer (opaque-identity 3)) :initial-element 12.0d0 :element-type 'double-float)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    (true v)
+    nil))
+
+(defun-with-dx vector-on-stack (x y)
+  (let ((v (vector 1 x 2 y 3)))
+    (declare (sb-int:truly-dynamic-extent v))
+    (true v)
+    nil))
+
+;;; MAKE-STRUCTURE
+
+(declaim (inline make-fp-struct-1))
+(defstruct fp-struct-1
+  (s 0.0 :type single-float)
+  (d 0.0d0 :type double-float))
+
+(defun-with-dx test-fp-struct-1.1 (s d)
+  (let ((fp (make-fp-struct-1 :s s)))
+    (declare (dynamic-extent fp))
+    (assert (eql s (fp-struct-1-s fp)))
+    (assert (eql 0.0d0 (fp-struct-1-d fp)))))
+
+(defun-with-dx test-fp-struct-1.2 (s d)
+  (let ((fp (make-fp-struct-1 :d d)))
+    (declare (dynamic-extent fp))
+    (assert (eql 0.0 (fp-struct-1-s fp)))
+    (assert (eql d (fp-struct-1-d fp)))))
+
+(defun-with-dx test-fp-struct-1.3 (s d)
+  (let ((fp (make-fp-struct-1 :d d :s s)))
+    (declare (dynamic-extent fp))
+    (assert (eql s (fp-struct-1-s fp)))
+    (assert (eql d (fp-struct-1-d fp)))))
+
+(defun-with-dx test-fp-struct-1.4 (s d)
+  (let ((fp (make-fp-struct-1 :s s :d d)))
+    (declare (dynamic-extent fp))
+    (assert (eql s (fp-struct-1-s fp)))
+    (assert (eql d (fp-struct-1-d fp)))))
+
+(with-test (:name (:test-fp-struct-1.1))
+  (test-fp-struct-1.1 123.456 876.243d0))
+(with-test (:name (:test-fp-struct-1.2))
+  (test-fp-struct-1.2 123.456 876.243d0))
+(with-test (:name (:test-fp-struct-1.3))
+  (test-fp-struct-1.3 123.456 876.243d0))
+(with-test (:name (:test-fp-struct-1.4))
+  (test-fp-struct-1.4 123.456 876.243d0))
+
+(declaim (inline make-fp-struct-2))
+(defstruct fp-struct-2
+  (d 0.0d0 :type double-float)
+  (s 0.0 :type single-float))
+
+(defun-with-dx test-fp-struct-2.1 (s d)
+  (let ((fp (make-fp-struct-2 :s s)))
+    (declare (dynamic-extent fp))
+    (assert (eql s (fp-struct-2-s fp)))
+    (assert (eql 0.0d0 (fp-struct-2-d fp)))))
+
+(defun-with-dx test-fp-struct-2.2 (s d)
+  (let ((fp (make-fp-struct-2 :d d)))
+    (declare (dynamic-extent fp))
+    (assert (eql 0.0 (fp-struct-2-s fp)))
+    (assert (eql d (fp-struct-2-d fp)))))
+
+(defun-with-dx test-fp-struct-2.3 (s d)
+  (let ((fp (make-fp-struct-2 :d d :s s)))
+    (declare (dynamic-extent fp))
+    (assert (eql s (fp-struct-2-s fp)))
+    (assert (eql d (fp-struct-2-d fp)))))
+
+(defun-with-dx test-fp-struct-2.4 (s d)
+  (let ((fp (make-fp-struct-2 :s s :d d)))
+    (declare (dynamic-extent fp))
+    (assert (eql s (fp-struct-2-s fp)))
+    (assert (eql d (fp-struct-2-d fp)))))
+
+(with-test (:name (:test-fp-struct-2.1))
+  (test-fp-struct-2.1 123.456 876.243d0))
+(with-test (:name (:test-fp-struct-2.2))
+  (test-fp-struct-2.2 123.456 876.243d0))
+(with-test (:name (:test-fp-struct-2.3))
+  (test-fp-struct-2.3 123.456 876.243d0))
+(with-test (:name (:test-fp-struct-2.4))
+  (test-fp-struct-2.4 123.456 876.243d0))
+
+(declaim (inline make-cfp-struct-1))
+(defstruct cfp-struct-1
+  (s (complex 0.0) :type (complex single-float))
+  (d (complex 0.0d0) :type (complex double-float)))
+
+(defun-with-dx test-cfp-struct-1.1 (s d)
+  (let ((cfp (make-cfp-struct-1 :s s)))
+    (declare (dynamic-extent cfp))
+    (assert (eql s (cfp-struct-1-s cfp)))
+    (assert (eql (complex 0.0d0) (cfp-struct-1-d cfp)))))
+
+(defun-with-dx test-cfp-struct-1.2 (s d)
+  (let ((cfp (make-cfp-struct-1 :d d)))
+    (declare (dynamic-extent cfp))
+    (assert (eql (complex 0.0) (cfp-struct-1-s cfp)))
+    (assert (eql d (cfp-struct-1-d cfp)))))
+
+(defun-with-dx test-cfp-struct-1.3 (s d)
+  (let ((cfp (make-cfp-struct-1 :d d :s s)))
+    (declare (dynamic-extent cfp))
+    (assert (eql s (cfp-struct-1-s cfp)))
+    (assert (eql d (cfp-struct-1-d cfp)))))
+
+(defun-with-dx test-cfp-struct-1.4 (s d)
+  (let ((cfp (make-cfp-struct-1 :s s :d d)))
+    (declare (dynamic-extent cfp))
+    (assert (eql s (cfp-struct-1-s cfp)))
+    (assert (eql d (cfp-struct-1-d cfp)))))
+
+(with-test (:name (:test-cfp-struct-1.1))
+  (test-cfp-struct-1.1 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+(with-test (:name (:test-cfp-struct-1.2))
+  (test-cfp-struct-1.2 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+(with-test (:name (:test-cfp-struct-1.3))
+  (test-cfp-struct-1.3 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+(with-test (:name (:test-cfp-struct-1.4))
+  (test-cfp-struct-1.4 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+
+(declaim (inline make-cfp-struct-2))
+(defstruct cfp-struct-2
+  (d (complex 0.0d0) :type (complex double-float))
+  (s (complex 0.0) :type (complex single-float)))
+
+(defun-with-dx test-cfp-struct-2.1 (s d)
+  (let ((cfp (make-cfp-struct-2 :s s)))
+    (declare (dynamic-extent cfp))
+    (assert (eql s (cfp-struct-2-s cfp)))
+    (assert (eql (complex 0.0d0) (cfp-struct-2-d cfp)))))
+
+(defun-with-dx test-cfp-struct-2.2 (s d)
+  (let ((cfp (make-cfp-struct-2 :d d)))
+    (declare (dynamic-extent cfp))
+    (assert (eql (complex 0.0) (cfp-struct-2-s cfp)))
+    (assert (eql d (cfp-struct-2-d cfp)))))
+
+(defun-with-dx test-cfp-struct-2.3 (s d)
+  (let ((cfp (make-cfp-struct-2 :d d :s s)))
+    (declare (dynamic-extent cfp))
+    (assert (eql s (cfp-struct-2-s cfp)))
+    (assert (eql d (cfp-struct-2-d cfp)))))
+
+(defun-with-dx test-cfp-struct-2.4 (s d)
+  (let ((cfp (make-cfp-struct-2 :s s :d d)))
+    (declare (dynamic-extent cfp))
+    (assert (eql s (cfp-struct-2-s cfp)))
+    (assert (eql d (cfp-struct-2-d cfp)))))
+
+(with-test (:name (:test-cfp-struct-2.1))
+  (test-cfp-struct-2.1 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+(with-test (:name (:test-cfp-struct-2.2))
+  (test-cfp-struct-2.2 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+(with-test (:name (:test-cfp-struct-2.3))
+  (test-cfp-struct-2.3 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+(with-test (:name (:test-cfp-struct-2.4))
+  (test-cfp-struct-2.4 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
+
+(declaim (inline make-foo1 make-foo2 make-foo3))
+(defstruct foo1 x)
+
+(defun-with-dx make-foo1-on-stack (x)
+  (let ((foo (make-foo1 :x x)))
+    (declare (dynamic-extent foo))
+    (assert (eql x (foo1-x foo)))))
+
+(defstruct foo2
+  (x 0.0 :type single-float)
+  (y 0.0d0 :type double-float)
+  a
+  b
+  c)
+
+(defun-with-dx make-foo2-on-stack (x y)
+  (let ((foo (make-foo2 :y y :c 'c)))
+    (declare (dynamic-extent foo))
+    (assert (eql 0.0 (foo2-x foo)))
+    (assert (eql y (foo2-y foo)))
+    (assert (eql 'c (foo2-c foo)))
+    (assert (eql nil (foo2-b foo)))))
+
+;;; Check that constants work out as argument for all relevant
+;;; slot types.
+(defstruct foo3
+  (a 0 :type t)
+  (b 1 :type fixnum)
+  (c 2 :type sb-vm:word)
+  (d 3.0 :type single-float)
+  (e 4.0d0 :type double-float))
+
+(defun-with-dx make-foo3-on-stack ()
+  (let ((foo (make-foo3)))
+    (declare (dynamic-extent foo))
+    (assert (eql 0 (foo3-a foo)))
+    (assert (eql 1 (foo3-b foo)))
+    (assert (eql 2 (foo3-c foo)))
+    (assert (eql 3.0 (foo3-d foo)))
+    (assert (eql 4.0d0 (foo3-e foo)))))
+
+;;; Nested DX
+
+(defun-with-dx nested-dx-lists ()
+  (let ((dx (list (list 1 2) (list 3 4))))
+    (declare (dynamic-extent dx))
+    (true dx)
+    nil))
+
+(defun-with-dx nested-dx-conses ()
+  (let ((dx (cons 1 (cons 2 (cons 3 (cons (cons t t) nil))))))
+    (declare (dynamic-extent dx))
+    (true dx)
+    nil))
+
+(defun-with-dx nested-dx-not-used (x)
+  (declare (list x))
+  (let ((l (setf (car x) (list x x x))))
+    (declare (dynamic-extent l))
+    (true l)
+    (true (length l))
+    nil))
+
+(defun-with-dx nested-evil-dx-used (x)
+  (declare (list x))
+  (let ((l (list x x x)))
+    (declare (dynamic-extent l))
+    (unwind-protect
+         (progn
+           (setf (car x) l)
+           (true l))
+      (setf (car x) nil))
+    nil))
+
+(defparameter *bar* nil)
+(declaim (inline make-nested-bad make-nested-good))
+(defstruct (nested (:constructor make-nested-bad (&key bar &aux (bar (setf *bar* bar))))
+                   (:constructor make-nested-good (&key bar)))
+  bar)
+
+(defun-with-dx nested-good (y)
+  (let ((x (list (list (make-nested-good :bar (list (list (make-nested-good :bar (list y)))))))))
+    (declare (dynamic-extent x))
+    (true x)))
+
+(defun-with-dx nested-bad (y)
+  (let ((x (list (list (make-nested-bad :bar (list (list (make-nested-bad :bar (list y)))))))))
+    (declare (dynamic-extent x))
+    (unless (equalp (caar x) (make-nested-good :bar *bar*))
+      (error "got ~S, wanted ~S" (caar x) (make-nested-good :bar *bar*)))
+    ;; the NESTED instance itself *should* be DX!
+    (copy-nested (caar x))))
+
+(with-test (:name :conservative-nested-dx)
+  ;; NESTED-BAD should not stack-allocate :BAR due to the SETF.
+  (assert (equalp (nested-bad 42) (make-nested-good :bar *bar*)))
+  (assert (equalp *bar* (list (list (make-nested-bad :bar (list 42)))))))
+
+;;; multiple uses for dx lvar
+
+(defun-with-dx multiple-dx-uses ()
+  (let ((dx (if (true t)
+                (list 1 2 3)
+                (list 2 3 4))))
+    (declare (dynamic-extent dx))
+    (true dx)
+    nil))
+
+;;; handler-case and handler-bind should use DX internally
+
+(defun dx-handler-bind (x)
+  (handler-bind ((error
+                  #'(lambda (c)
+                      (break "OOPS: ~S caused ~S" x c)))
+                 ((and serious-condition (not error))
+                  #'(lambda (c)
+                      (break "OOPS2: ~S did ~S" x c))))
+    (/ 2 x)))
+
+(defun dx-handler-case (x)
+  (assert (zerop (handler-case (/ 2 x)
+                   (error (c)
+                     (break "OOPS: ~S caused ~S" x c)
+                     -1)
+                   (:no-error (res)
+                     (1- res))))))
+
+(defvar *a-cons* (cons nil nil))
+
+(with-test (:name (:no-consing :dx-closures) :skipped-on '(not :stack-allocatable-closures))
+  (assert-no-consing (dxclosure 42)))
+
+(with-test (:name (:no-consing :dx-lists) :skipped-on '(not :stack-allocatable-lists))
   (assert-no-consing (dxlength 1 2 3))
   (assert-no-consing (dxlength t t t t t t))
   (assert-no-consing (dxlength))
   (assert-no-consing (dxcaller 1 2 3 4 5 6 7))
-  #-ppc
   (assert-no-consing (test-nip-values))
-  #-ppc
-  (assert-no-consing (test-let-var-subst1 17))
-  #-ppc
   (assert-no-consing (test-let-var-subst2 17))
-  #-ppc
-  (assert-no-consing (test-lvar-subst 11)))
+  (assert-no-consing (test-lvar-subst 11))
+  (assert-no-consing (nested-dx-lists))
+  (assert-consing (nested-dx-not-used *a-cons*))
+  (assert-no-consing (nested-evil-dx-used *a-cons*))
+  (assert-no-consing (multiple-dx-uses)))
+
+(with-test (:name (:no-consing :dx-value-cell))
+  (assert-no-consing (dx-value-cell 13)))
+
+(with-test (:name (:no-consing :dx-fixed-objects) :skipped-on '(not :stack-allocatable-fixed-objects))
+  (assert-no-consing (cons-on-stack 42))
+  (assert-no-consing (make-foo1-on-stack 123))
+  (assert-no-consing (nested-good 42))
+  (assert-no-consing (nested-dx-conses))
+  (assert-no-consing (dx-handler-bind 2))
+  (assert-no-consing (dx-handler-case 2)))
+
+(with-test (:name (:no-consing :dx-vectors) :skipped-on '(not :stack-allocatable-vectors))
+  (assert-no-consing (force-make-array-on-stack 128))
+  (assert-no-consing (make-array-on-stack-2 5 '(1 2.0 3 4.0 5)))
+  (assert-no-consing (make-array-on-stack-3 9 8 7))
+  (assert-no-consing (make-array-on-stack-4))
+  (assert-no-consing (make-array-on-stack-5))
+  (assert-no-consing (vector-on-stack :x :y)))
+
+(with-test (:name (:no-consing :specialized-dx-vectors)
+            :fails-on :x86
+            :skipped-on `(not (and :stack-allocatable-vectors
+                                   :c-stack-is-control-stack)))
+  (assert-no-consing (make-array-on-stack-1))
+  (assert-no-consing (make-array-on-stack-6))
+  (assert-no-consing (make-array-on-stack-7))
+  (assert-no-consing (make-array-on-stack-8))
+  (assert-no-consing (make-array-on-stack-9))
+  (assert-no-consing (make-array-on-stack-10))
+  (assert-no-consing (make-array-on-stack-11)))
+
+(with-test (:name (:no-consing :dx-raw-instances) :skipped-on '(or (not :raw-instance-init-vops)
+                                                                   (not (and :gencgc :c-stack-is-control-stack))))
+  (let (a b)
+    (setf a 1.24 b 1.23d0)
+    (assert-no-consing (make-foo2-on-stack a b)))
+    (assert-no-consing (make-foo3-on-stack)))
+
+;;; not really DX, but GETHASH and (SETF GETHASH) should not cons
+
+(defvar *table* (make-hash-table))
+
+(defun test-hash-table ()
+  (setf (gethash 5 *table*) 13)
+  (gethash 5 *table*))
+
+;; This fails on threaded PPC because the hash-table implementation
+;; uses recursive system locks, which cons (see below for test
+;; (:no-consing :lock), which also fails on threaded PPC).
+;;
+;; -- That may have been the situation in 2010 when the above comment
+;; was written, but AFAICT now, hash tables use WITH-PINNED-OBJECTS,
+;; which conses on PPC and SPARC when GENCGC is enabled.  So neither is
+;; this actually about threading, nor about PPC.  Yet since we are
+;; failing most of this file on SPARC anyway (for some tests even on
+;; cheneygc), I won't bother to mark this particular test as failing.
+;; It would be nice if someone could go through this file and figure it
+;; all out... --DFL
+(with-test (:name (:no-consing :hash-tables) :fails-on '(and :ppc :sb-thread))
+  (assert-no-consing (test-hash-table)))
+
+;;; Both with-pinned-objects and without-gcing should not cons
+
+(defun call-without-gcing (fun)
+  (sb-sys:without-gcing (funcall fun)))
+
+(defun call-with-pinned-object (fun obj)
+  (sb-sys:with-pinned-objects (obj)
+    (funcall fun obj)))
+
+(with-test (:name (:no-consing :without-gcing))
+  (assert-no-consing (call-without-gcing (lambda ()))))
 
+(with-test (:name (:no-consing :with-pinned-objects))
+  (assert-no-consing (call-with-pinned-object #'identity 42)))
+
+;;; with-mutex should use DX and not cons
+
+(defvar *mutex* (sb-thread::make-mutex :name "mutexlock"))
+
+(defun test-mutex ()
+  (sb-thread:with-mutex (*mutex*)
+    (true *mutex*)))
+
+(with-test (:name (:no-consing :mutex) :fails-on :ppc :skipped-on '(not :sb-thread))
+  (assert-no-consing (test-mutex)))
 
+
 ;;; Bugs found by Paul F. Dietz
-(assert
- (eq
-  (funcall
-   (compile
-    nil
-    '(lambda (a b)
-      (declare (optimize (speed 2) (space 0) (safety 0)
-                (debug 1) (compilation-speed 3)))
-      (let* ((v5 (cons b b)))
-        (declare (dynamic-extent v5))
-        a)))
-   'x 'y)
-  'x))
 
-
-;;; other bugs
+(with-test (:name (:dx-bug-misc :pfdietz))
+  (assert
+   (eq
+    (funcall
+     (compile
+      nil
+      '(lambda (a b)
+        (declare (optimize (speed 2) (space 0) (safety 0)
+                  (debug 1) (compilation-speed 3)))
+        (let* ((v5 (cons b b)))
+          (declare (dynamic-extent v5))
+          a)))
+     'x 'y)
+    'x)))
 
 ;;; bug reported by Svein Ove Aas
 (defun svein-2005-ii-07 (x y)
@@ -161,13 +684,15 @@
   (let ((args (list* y 1 2 x)))
     (declare (dynamic-extent args))
     (apply #'aref args)))
-(assert (eql
-         (svein-2005-ii-07
-          '(0)
-          #3A(((1 1 1) (1 1 1) (1 1 1))
-              ((1 1 1) (1 1 1) (4 1 1))
-              ((1 1 1) (1 1 1) (1 1 1))))
-         4))
+
+(with-test (:name (:dx-bugs-misc :svein-2005-ii-07))
+  (assert (eql
+           (svein-2005-ii-07
+            '(0)
+            #3A(((1 1 1) (1 1 1) (1 1 1))
+                ((1 1 1) (1 1 1) (4 1 1))
+                ((1 1 1) (1 1 1) (1 1 1))))
+           4)))
 
 ;;; bug reported by Brian Downing: stack-allocated arrays were not
 ;;; filled with zeroes.
@@ -175,7 +700,425 @@
   (let ((a (make-array 11 :initial-element 0)))
     (declare (dynamic-extent a))
     (assert (every (lambda (x) (eql x 0)) a))))
-(bdowning-2005-iv-16)
 
+(with-test (:name (:dx-bug-misc :bdowning-2005-iv-16))
+  #+(or hppa mips x86 x86-64)
+  (assert-no-consing (bdowning-2005-iv-16))
+  (bdowning-2005-iv-16))
+
+(declaim (inline my-nconc))
+(defun my-nconc (&rest lists)
+  (declare (dynamic-extent lists))
+  (apply #'nconc lists))
+(defun-with-dx my-nconc-caller (a b c)
+  (let ((l1 (list a b c))
+        (l2 (list a b c)))
+    (my-nconc l1 l2)))
+(with-test (:name :rest-stops-the-buck)
+  (let ((list1 (my-nconc-caller 1 2 3))
+        (list2 (my-nconc-caller 9 8 7)))
+    (assert (equal list1 '(1 2 3 1 2 3)))
+    (assert (equal list2 '(9 8 7 9 8 7)))))
+
+(defun-with-dx let-converted-vars-dx-allocated-bug (x y z)
+  (let* ((a (list x y z))
+         (b (list x y z))
+         (c (list a b)))
+    (declare (dynamic-extent c))
+    (values (first c) (second c))))
+(with-test (:name :let-converted-vars-dx-allocated-bug)
+  (multiple-value-bind (i j) (let-converted-vars-dx-allocated-bug 1 2 3)
+    (assert (and (equal i j)
+                 (equal i (list 1 2 3))))))
+
+;;; workaround for bug 419 -- real issue remains, but check that the
+;;; bandaid holds.
+(defun-with-dx bug419 (x)
+  (multiple-value-call #'list
+    (eval '(values 1 2 3))
+    (let ((x x))
+      (declare (dynamic-extent x))
+      (flet ((mget (y)
+               (+ x y))
+             (mset (z)
+               (incf x z)))
+        (declare (dynamic-extent #'mget #'mset))
+        ((lambda (f g) (eval `(progn ,f ,g (values 4 5 6)))) #'mget #'mset)))))
+
+(with-test (:name (:dx-bug-misc :bug419))
+  (assert (equal (bug419 42) '(1 2 3 4 5 6))))
+
+;;; Multiple DX arguments in a local function call
+(defun test-dx-flet-test (fun n f1 f2 f3)
+  (let ((res (with-output-to-string (s)
+               (assert (eql n (ignore-errors (funcall fun s)))))))
+    (multiple-value-bind (x pos) (read-from-string res nil)
+      (assert (equalp f1 x))
+      (multiple-value-bind (y pos2) (read-from-string res nil nil :start pos)
+        (assert (equalp f2 y))
+        (assert (equalp f3 (read-from-string res nil nil :start pos2))))))
+  #+(or hppa mips x86 x86-64)
+  (assert-no-consing (assert (eql n (funcall fun nil))))
+  (assert (eql n (funcall fun nil))))
+
+(macrolet ((def (n f1 f2 f3)
+             (let ((name (sb-pcl::format-symbol :cl-user "DX-FLET-TEST.~A" n)))
+               `(progn
+                  (defun-with-dx ,name (s)
+                    (flet ((f (x)
+                             (declare (dynamic-extent x))
+                             (when s
+                               (print x s)
+                               (finish-output s))
+                             nil))
+                      (f ,f1)
+                      (f ,f2)
+                      (f ,f3)
+                      ,n))
+                  (with-test (:name (:dx-flet-test ,n))
+                    (test-dx-flet-test #',name ,n ,f1 ,f2 ,f3))))))
+  (def 0 (list :one) (list :two) (list :three))
+  (def 1 (make-array 128) (list 1 2 3 4 5 6 7 8) (list 'list))
+  (def 2 (list 1) (list 2 3) (list 4 5 6 7)))
+
+;;; Test that unknown-values coming after a DX value won't mess up the
+;;; stack analysis
+(defun test-update-uvl-live-sets (x y z)
+ (declare (optimize speed (safety 0)))
+ (flet ((bar (a b)
+          (declare (dynamic-extent a))
+          (eval `(list (length ',a) ',b))))
+   (list (bar x y)
+         (bar (list x y z)                  ; dx push
+              (list
+               (multiple-value-call 'list
+                 (eval '(values 1 2 3))     ; uv push
+                 (max y z)
+               )                            ; uv pop
+               14)
+         ))))
+
+(with-test (:name (:update-uvl-live-sets))
+  (assert (equal '((0 4) (3 ((1 2 3 5) 14)))
+                 (test-update-uvl-live-sets #() 4 5))))
+
+(with-test (:name :regression-1.0.23.38)
+  (compile nil '(lambda ()
+                 (flet ((make (x y)
+                          (let ((res (cons x x)))
+                            (setf (cdr res) y)
+                            res)))
+                   (declaim (inline make))
+                   (let ((z (make 1 2)))
+                     (declare (dynamic-extent z))
+                     (print z)
+                     t))))
+  (compile nil '(lambda ()
+                 (flet ((make (x y)
+                          (let ((res (cons x x)))
+                            (setf (cdr res) y)
+                            (if x res y))))
+                   (declaim (inline make))
+                   (let ((z (make 1 2)))
+                     (declare (dynamic-extent z))
+                     (print z)
+                     t)))))
+
+;;; On x86 and x86-64 upto 1.0.28.16 LENGTH and WORDS argument
+;;; tns to ALLOCATE-VECTOR-ON-STACK could be packed in the same
+;;; location, leading to all manner of badness. ...reproducing this
+;;; reliably is hard, but this it at least used to break on x86-64.
+(defun length-and-words-packed-in-same-tn (m)
+  (declare (optimize speed (safety 0) (debug 0) (space 0)))
+  (let ((array (make-array (max 1 m) :element-type 'fixnum)))
+    (declare (dynamic-extent array))
+    (array-total-size array)))
+(with-test (:name :length-and-words-packed-in-same-tn)
+  (assert (= 1 (length-and-words-packed-in-same-tn -3))))
+
+(with-test (:name :handler-case-bogus-compiler-note :fails-on :ppc)
+  (handler-bind
+      ((compiler-note (lambda (note)
+                        (error "compiler issued note ~S during test" note))))
+    ;; Taken from SWANK, used to signal a bogus stack allocation
+    ;; failure note.
+    (compile nil
+             `(lambda (files fasl-dir load)
+                (let ((needs-recompile nil))
+                  (dolist (src files)
+                    (let ((dest (binary-pathname src fasl-dir)))
+                      (handler-case
+                          (progn
+                            (when (or needs-recompile
+                                      (not (probe-file dest))
+                                      (file-newer-p src dest))
+                              (setq needs-recompile t)
+                              (ensure-directories-exist dest)
+                              (compile-file src :output-file dest :print nil :verbose t))
+                            (when load
+                              (load dest :verbose t)))
+                        (serious-condition (c)
+                          (handle-loadtime-error c dest))))))))))
+
+(declaim (inline foovector barvector))
+(defun foovector (x y z)
+  (let ((v (make-array 3)))
+    (setf (aref v 0) x
+          (aref v 1) y
+          (aref v 2) z)
+    v))
+(defun barvector (x y z)
+  (make-array 3 :initial-contents (list x y z)))
+(with-test (:name :dx-compiler-notes :fails-on :ppc)
+  (flet ((assert-notes (j lambda)
+           (let ((n 0))
+             (handler-bind ((compiler-note (lambda (c)
+                                             (declare (ignore c))
+                                             (incf n))))
+               (compile nil lambda)
+               (unless (= j n)
+                 (error "Wanted ~S notes, got ~S for~%   ~S"
+                        j n lambda))))))
+    ;; These ones should complain.
+    (assert-notes 1 `(lambda (x)
+                       (let ((v (make-array x)))
+                         (declare (dynamic-extent v))
+                         (length v))))
+    (assert-notes 2 `(lambda (x)
+                       (let ((y (if (plusp x)
+                                    (true x)
+                                    (true (- x)))))
+                         (declare (dynamic-extent y))
+                         (print y)
+                         nil)))
+    (assert-notes 1 `(lambda (x)
+                       (let ((y (foovector x x x)))
+                         (declare (sb-int:truly-dynamic-extent y))
+                         (print y)
+                         nil)))
+    ;; These ones should not complain.
+    (assert-notes 0 `(lambda (name)
+                       (with-alien
+                           ((posix-getenv (function c-string c-string)
+                                          :EXTERN "getenv"))
+                         (values
+                          (alien-funcall posix-getenv name)))))
+    (assert-notes 0 `(lambda (x)
+                       (let ((y (barvector x x x)))
+                         (declare (dynamic-extent y))
+                         (print y)
+                         nil)))
+    (assert-notes 0 `(lambda (list)
+                       (declare (optimize (space 0)))
+                       (sort list (lambda (x y) ; shut unrelated notes up
+                                    (< (truly-the fixnum x)
+                                       (truly-the fixnum y))))))
+    (assert-notes 0 `(lambda (other)
+                       #'(lambda (s c n)
+                           (ignore-errors (funcall other s c n)))))))
+
+;;; Stack allocating a value cell in HANDLER-CASE would blow up stack
+;;; in an unfortunate loop.
+(defun handler-case-eating-stack ()
+  (let ((sp nil))
+    (do ((n 0 (logand most-positive-fixnum (1+ n))))
+        ((>= n 1024))
+     (multiple-value-bind (value error) (ignore-errors)
+       (when (and value error) nil))
+      (if sp
+          (assert (= sp (sb-c::%primitive sb-c:current-stack-pointer)))
+          (setf sp (sb-c::%primitive sb-c:current-stack-pointer))))))
+(with-test (:name :handler-case-eating-stack :fails-on :ppc)
+  (assert-no-consing (handler-case-eating-stack)))
+
+;;; A nasty bug where RECHECK-DYNAMIC-EXTENT-LVARS thought something was going
+;;; to be stack allocated when it was not, leading to a bogus %NIP-VALUES.
+;;; Fixed by making RECHECK-DYNAMIC-EXTENT-LVARS deal properly with nested DX.
+(deftype vec ()
+  `(simple-array single-float (3)))
+(declaim (ftype (function (t t t) vec) vec))
+(declaim (inline vec))
+(defun vec (a b c)
+  (make-array 3 :element-type 'single-float :initial-contents (list a b c)))
+(defun bad-boy (vec)
+  (declare (type vec vec))
+  (lambda (fun)
+    (let ((vec (vec (aref vec 0) (aref vec 1) (aref vec 2))))
+      (declare (dynamic-extent vec))
+      (funcall fun vec))))
+(with-test (:name :recheck-nested-dx-bug :fails-on :ppc)
+  (assert (funcall (bad-boy (vec 1.0 2.0 3.3))
+                   (lambda (vec) (equalp vec (vec 1.0 2.0 3.3)))))
+  (flet ((foo (x) (declare (ignore x))))
+    (let ((bad-boy (bad-boy (vec 2.0 3.0 4.0))))
+      (assert-no-consing (funcall bad-boy #'foo)))))
+
+(with-test (:name :bug-497321)
+  (flet ((test (lambda type)
+           (let ((n 0))
+             (handler-bind ((condition (lambda (c)
+                                         (incf n)
+                                         (unless (typep c type)
+                                           (error "wanted ~S for~%  ~S~%got ~S"
+                                                  type lambda (type-of c))))))
+               (compile nil lambda))
+             (assert (= n 1)))))
+    (test `(lambda () (declare (dynamic-extent #'bar)))
+          'style-warning)
+    (test `(lambda () (declare (dynamic-extent bar)))
+          'style-warning)
+    (test `(lambda (bar) (cons bar (lambda () (declare (dynamic-extent bar)))))
+          'sb-ext:compiler-note)
+    (test `(lambda ()
+             (flet ((bar () t))
+               (cons #'bar (lambda () (declare (dynamic-extent #'bar))))))
+          'sb-ext:compiler-note)))
+
+(with-test (:name :bug-586105 :fails-on '(not (and :stack-allocatable-vectors
+                                                   :stack-allocatable-lists)))
+  (flet ((test (x)
+           (let ((vec (make-array 1 :initial-contents (list (list x)))))
+             (declare (dynamic-extent vec))
+             (assert (eql x (car (aref vec 0)))))))
+    (assert-no-consing (test 42))))
 
-(sb-ext:quit :unix-status 104)
+(defun bug-681092 ()
+  (declare (optimize speed))
+  (let ((c 0))
+    (flet ((bar () c))
+      (declare (dynamic-extent #'bar))
+      (do () ((list) (bar))
+        (setf c 10)
+        (return (bar))))))
+(with-test (:name :bug-681092)
+  (assert (= 10 (bug-681092))))
+
+;;;; &REST lists should stop DX propagation -- not required by ANSI,
+;;;; but required by sanity.
+
+(declaim (inline rest-stops-dx))
+(defun-with-dx rest-stops-dx (&rest args)
+  (declare (dynamic-extent args))
+  (apply #'opaque-identity args))
+
+(defun-with-dx rest-stops-dx-ok ()
+  (equal '(:foo) (rest-stops-dx (list :foo))))
+
+(with-test (:name :rest-stops-dynamic-extent)
+  (assert (rest-stops-dx-ok)))
+
+;;;; These tests aren't strictly speaking DX, but rather &REST -> &MORE
+;;;; conversion.
+(with-test (:name :rest-to-more-conversion)
+  (let ((f1 (compile nil `(lambda (f &rest args)
+                            (apply f args)))))
+    (assert-no-consing (assert (eql f1 (funcall f1 #'identity f1)))))
+  (let ((f2 (compile nil `(lambda (f1 f2 &rest args)
+                            (values (apply f1 args) (apply f2 args))))))
+    (assert-no-consing (multiple-value-bind (a b)
+                           (funcall f2 (lambda (x y z) (+ x y z)) (lambda (x y z) (- x y z))
+                                    1 2 3)
+                         (assert (and (eql 6 a) (eql -4 b))))))
+  (let ((f3 (compile nil `(lambda (f &optional x &rest args)
+                            (when x
+                              (apply f x args))))))
+    (assert-no-consing (assert (eql 42 (funcall f3
+                                                (lambda (a b c) (+ a b c))
+                                                11
+                                                10
+                                                21)))))
+  (let ((f4 (compile nil `(lambda (f &optional x &rest args &key y &allow-other-keys)
+                            (apply f y x args)))))
+    (assert-no-consing (funcall f4 (lambda (y x yk y2 b c)
+                                     (assert (eq y 'y))
+                                     (assert (= x 2))
+                                     (assert (eq :y yk))
+                                     (assert (eq y2 'y))
+                                     (assert (eq b 'b))
+                                     (assert (eq c 'c)))
+                                2 :y 'y 'b 'c)))
+  (let ((f5 (compile nil `(lambda (a b c &rest args)
+                            (apply #'list* a b c args)))))
+    (assert (equal '(1 2 3 4 5 6 7) (funcall f5 1 2 3 4 5 6 '(7)))))
+  (let ((f6 (compile nil `(lambda (x y)
+                            (declare (optimize speed))
+                            (concatenate 'string x y)))))
+    (assert (equal "foobar" (funcall f6 "foo" "bar"))))
+  (let ((f7 (compile nil `(lambda (&rest args)
+                            (lambda (f)
+                              (apply f args))))))
+    (assert (equal '(a b c d e f) (funcall (funcall f7 'a 'b 'c 'd 'e 'f) 'list))))
+  (let ((f8 (compile nil `(lambda (&rest args)
+                            (flet ((foo (f)
+                                     (apply f args)))
+                              #'foo)))))
+    (assert (equal '(a b c d e f) (funcall (funcall f8 'a 'b 'c 'd 'e 'f) 'list))))
+  (let ((f9 (compile nil `(lambda (f &rest args)
+                            (flet ((foo (g)
+                                     (apply g args)))
+                              (declare (dynamic-extent #'foo))
+                              (funcall f #'foo))))))
+    (assert (equal '(a b c d e f)
+                   (funcall f9 (lambda (f) (funcall f 'list)) 'a 'b 'c 'd 'e 'f))))
+  (let ((f10 (compile nil `(lambda (f &rest args)
+                            (flet ((foo (g)
+                                     (apply g args)))
+                              (funcall f #'foo))))))
+    (assert (equal '(a b c d e f)
+                   (funcall f10 (lambda (f) (funcall f 'list)) 'a 'b 'c 'd 'e 'f))))
+  (let ((f11 (compile nil `(lambda (x y z)
+                             (block out
+                               (labels ((foo (x &rest rest)
+                                          (apply (lambda (&rest rest2)
+                                                   (return-from out (values-list rest2)))
+                                                 x rest)))
+                                (if x
+                                    (foo x y z)
+                                    (foo y z x))))))))
+    (multiple-value-bind (a b c) (funcall f11 1 2 3)
+      (assert (eql a 1))
+      (assert (eql b 2))
+      (assert (eql c 3)))))
+
+(defun opaque-funcall (function &rest arguments)
+  (apply function arguments))
+
+(with-test (:name :implicit-value-cells)
+  (flet ((test-it (type input output)
+           (let ((f (compile nil `(lambda (x)
+                                    (declare (type ,type x))
+                                    (flet ((inc ()
+                                             (incf x)))
+                                      (declare (dynamic-extent #'inc))
+                                      (list (opaque-funcall #'inc) x))))))
+             (assert (equal (funcall f input)
+                            (list output output))))))
+    (let ((width sb-vm:n-word-bits))
+      (test-it t (1- most-positive-fixnum) most-positive-fixnum)
+      (test-it `(unsigned-byte ,(1- width)) (ash 1 (- width 2)) (1+ (ash 1 (- width 2))))
+      (test-it `(signed-byte ,width) (ash -1 (- width 2)) (1+ (ash -1 (- width 2))))
+      (test-it `(unsigned-byte ,width) (ash 1 (1- width)) (1+ (ash 1 (1- width))))
+      (test-it 'single-float 3f0 4f0)
+      (test-it 'double-float 3d0 4d0)
+      (test-it '(complex single-float) #c(3f0 4f0) #c(4f0 4f0))
+      (test-it '(complex double-float) #c(3d0 4d0) #c(4d0 4d0)))))
+
+(with-test (:name :sap-implicit-value-cells)
+  (let ((f (compile nil `(lambda (x)
+                           (declare (type system-area-pointer x))
+                           (flet ((inc ()
+                                    (setf x (sb-sys:sap+ x 16))))
+                             (declare (dynamic-extent #'inc))
+                             (list (opaque-funcall #'inc) x)))))
+        (width sb-vm:n-machine-word-bits))
+    (assert (every (lambda (x)
+                     (sb-sys:sap= x (sb-sys:int-sap (+ 16 (ash 1 (1- width))))))
+                   (funcall f (sb-sys:int-sap (ash 1 (1- width))))))))
+
+(with-test (:name :&more-bounds)
+  ;; lp#1154946
+  (assert (not (funcall (compile nil '(lambda (&rest args) (car args))))))
+  (assert (not (funcall (compile nil '(lambda (&rest args) (nth 6 args))))))
+  (assert (not (funcall (compile nil '(lambda (&rest args) (elt args 10))))))
+  (assert (not (funcall (compile nil '(lambda (&rest args) (cadr args))))))
+  (assert (not (funcall (compile nil '(lambda (&rest args) (third args)))))))