X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=BUGS;h=3c403d6c61379159ec6cb42db719b49dcf0bb049;hb=09d7974601df2aaaa820ca576026b9b4f03e6ab1;hp=3a0c0bf2bdb4218e7861c49bb289dbe5dc55bc49;hpb=237ecea4a44f33d40440ea40c67c54e9e23358b3;p=sbcl.git diff --git a/BUGS b/BUGS index 3a0c0bf..3c403d6 100644 --- a/BUGS +++ b/BUGS @@ -283,10 +283,6 @@ WORKAROUND: need to document exactly what metaobject protocol specification we're following -- the current code is just inherited from PCL.) -54: - The implementation of #'+ returns its single argument without - type checking, e.g. (+ "illegal") => "illegal". - 60: The debugger LIST-LOCATIONS command doesn't work properly. @@ -506,56 +502,6 @@ WORKAROUND: time trying to GC afterwards. Surely there's some more economical way to implement (ROOM T). -115: - reported by Martin Atzmueller 2001-06-25; originally from CMU CL bugs - collection: - (in-package :cl-user) - ;;; The following invokes a compiler error. - (declaim (optimize (speed 2) (debug 3))) - (defun tst () - (flet ((m1 () - (unwind-protect nil))) - (if (catch nil) - (m1) - (m1)))) - The error message in sbcl-0.6.12.42 is - internal error, failed AVER: - "(COMMON-LISP:EQ (SB!C::TN-ENVIRONMENT SB!C:TN) SB!C::TN-ENV)" - - This examples better illustrates the problem: - - (defun tst () - (declare (optimize (speed 2) (debug 3))) - (flet ((m1 () - (bar (if (foo) 1 2)) - (let ((x (foo))) - (bar x (list x))))) - (if (catch nil) - (m1) - (m1)))) - - (X is allocated in the physical environment of M1; X is :WRITE in - the call of LET [convert-to-global]; IF makes sure that a block - exists in M1 before this call.) - - Because X is :DEBUG-ENVIRONMENT, it is :LIVE by default in all - blocks in the environment, particularly it is :LIVE in the start of - M1 (where it is not yet :WRITE) [setup-environment-tn-conflicts]. - - Then :LIVE is propagated backwards, i.e. into the caller of M1 - where X does not exist [lifetime-flow-analysis]. - - (CATCH NIL) causes all TNs to be saved; Python fails on saving - non-existent variable; if it is replaced with (FOO), the problem - appears when debugging TST: LIST-LOCALS says - - debugger invoked on condition of type SB-DI:UNKNOWN-DEBUG-VAR: - - # is not in #. - - (in those old versions, in which debugger worked :-(). - 117: When the compiler inline expands functions, it may be that different kinds of return values are generated from different code branches. @@ -670,12 +616,6 @@ WORKAROUND: Evidently Python thinks of the lambda as a code transformation so much that it forgets that it's also an object. -127: - The DEFSTRUCT section of the ANSI spec, in the :CONC-NAME section, - specifies a precedence rule for name collisions between slot accessors of - structure classes related by inheritance. As of 0.7.0, SBCL still - doesn't follow it. - 135: Ideally, uninterning a symbol would allow it, and its associated FDEFINITION and PROCLAIM data, to be reclaimed by the GC. However, @@ -1091,7 +1031,7 @@ WORKAROUND: (progn (the real (list 1)) t) This situation may appear during optimizing away degenerate cases of - certain functions: see bugs 54, 192b. + certain functions: see bug 192b. 205: "environment issues in cross compiler" (These bugs have no impact on user code, but should be fixed or @@ -1100,6 +1040,8 @@ WORKAROUND: lexical environment. b. The body of (EVAL-WHEN (:COMPILE-TOPLEVEL) ...) is evaluated in the null lexical environment. + c. The cross-compiler cannot inline functions defined in a non-null + lexical environment. 206: ":SB-FLUID feature broken" (reported by Antonio Martinez-Shotton sbcl-devel 2002-10-07) @@ -1321,33 +1263,25 @@ WORKAROUND: 224: SBCL 0.7.8 fails to compile - - (localy (declare (optimize (safety 3))) - (ignore-errors (progn (values-list (car (list '(1 . 2)))) t))) - -225: - (fixed in 0.7.9.42) - -226: "AVER failure in COMPILE-FILE of clocc-ansi-test/tests.lisp" - (APD points out that this seems to be another symptom of bug #115.) - sbcl-0.7.9.43 dies with failed AVER "(EQ (TN-PHYSENV TN) TN-ENV)" when - trying to compile clocc-ansi-test/tests.lisp. sbcl-0.7.9.31 was able to - to compile it. A smaller test case exhibiting the same problem is - (declaim (optimize (speed 0) (safety 3) (debug 3))) - (defun c-a-p () - (flet ((safe-format (stream string &rest r) - (unless (ignore-errors (progn - (apply #'format stream string r) - t)) - (format stream "~&foo ~S" string)))) - (cond - ((eq my-result :ERROR) - (cond - ((ignore-errors (typep condition result)) - (safe-format t "~&bar ~S" result)) - (t - (safe-format t "~&baz ~S (~A) ~S" condition condition result))))))) - + (localy (declare (optimize (safety 3))) + (ignore-errors (progn (values-list (car (list '(1 . 2)))) t))) + (the LOCALY there is not a typo; any unknown function (e.g. FROB) + will do). + +228: "function-lambda-expression problems" + in sbcl-0.7.9.6x, from the REPL: + * (progn (declaim (inline foo)) (defun foo (x) x)) + FOO + * (function-lambda-expression #'foo) + (SB-C:LAMBDA-WITH-LEXENV NIL NIL NIL (X) (BLOCK FOO X)), NIL, FOO + but this first return value is not suitable for input to FUNCTION or + COMPILE, as required by ANSI. + +229: + (subtypep 'function '(function)) => nil, t. + +230: + (fixed in 0.7.10.5) DEFUNCT CATEGORIES OF BUGS IR1-#: