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* [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken
@ 2003-12-31 3:33 dbaron at dbaron dot org
2003-12-31 7:51 ` [Bug c++/13529] " dbaron at dbaron dot org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: dbaron at dbaron dot org @ 2003-12-31 3:33 UTC (permalink / raw)
To: gcc-bugs
An offsetof() expression with a member-designator that contains member access is
broken for C++. It works correctly in C. This is a regression in the past few
months -- it's broken in the 2003-12-17 snapshot (and in cvs from a few hours
ago), and it worked on 2003-09-14.
--
Summary: [3.4 regression] offsetof() with member-designator
containing member access broken
Product: gcc
Version: 3.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dbaron at dbaron dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org @ 2003-12-31 7:51 ` dbaron at dbaron dot org 2003-12-31 7:57 ` dbaron at dbaron dot org ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: dbaron at dbaron dot org @ 2003-12-31 7:51 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From dbaron at dbaron dot org 2003-12-31 03:25 ------- Created an attachment (id=5384) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=5384&action=view) C++ testcase (broken) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org 2003-12-31 7:51 ` [Bug c++/13529] " dbaron at dbaron dot org @ 2003-12-31 7:57 ` dbaron at dbaron dot org 2003-12-31 8:53 ` dbaron at dbaron dot org ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: dbaron at dbaron dot org @ 2003-12-31 7:57 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From dbaron at dbaron dot org 2003-12-31 03:25 ------- Created an attachment (id=5385) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=5385&action=view) C testcase (works fine) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org 2003-12-31 7:51 ` [Bug c++/13529] " dbaron at dbaron dot org 2003-12-31 7:57 ` dbaron at dbaron dot org @ 2003-12-31 8:53 ` dbaron at dbaron dot org 2004-01-01 0:32 ` pinskia at gcc dot gnu dot org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: dbaron at dbaron dot org @ 2003-12-31 8:53 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From dbaron at dbaron dot org 2003-12-31 03:33 ------- I should be a little clearer. The bug is that attachment 5384 fails to compile with the error: /usr/local/gcc-3.4-20031231/bin/g++ offsetof.cpp offsetof.cpp: In function `int main()': offsetof.cpp:9: error: `.' cannot appear in a constant-expression -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org ` (2 preceding siblings ...) 2003-12-31 8:53 ` dbaron at dbaron dot org @ 2004-01-01 0:32 ` pinskia at gcc dot gnu dot org 2004-01-04 22:48 ` mmitchel at gcc dot gnu dot org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-01-01 0:32 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-01-01 00:32 ------- Confirmed, looks like Mark forgot about the dot operator when he did this patch: 2003-12-16 Mark Mitchell <mark@codesourcery.com> PR c++/13275 * lex.c (reswords): Add "__offsetof" and "__offsetof__". * parser.c (cp_parser): Add in_offsetof_p. (cp_parser_new): Initialize it. (cp_parser_primary_expression): Handle __offsetof__ (...). (cp_parser_postfix_expression): Allow casts to pointer type and uses of "->" in a constant expression if implementing offsetof. (cp_parser_unary_expression): Allow the use of "&" in a constant expression if implementing offsetof. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Keywords| |rejects-valid Last reconfirmed|0000-00-00 00:00:00 |2004-01-01 00:32:13 date| | Target Milestone|--- |3.4.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org ` (3 preceding siblings ...) 2004-01-01 0:32 ` pinskia at gcc dot gnu dot org @ 2004-01-04 22:48 ` mmitchel at gcc dot gnu dot org 2004-01-05 1:53 ` mmitchel at gcc dot gnu dot org 2004-01-05 1:53 ` cvs-commit at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: mmitchel at gcc dot gnu dot org @ 2004-01-04 22:48 UTC (permalink / raw) To: gcc-bugs -- What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |mark at codesourcery dot com |dot org | Status|NEW |ASSIGNED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org ` (4 preceding siblings ...) 2004-01-04 22:48 ` mmitchel at gcc dot gnu dot org @ 2004-01-05 1:53 ` mmitchel at gcc dot gnu dot org 2004-01-05 1:53 ` cvs-commit at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: mmitchel at gcc dot gnu dot org @ 2004-01-05 1:53 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From mmitchel at gcc dot gnu dot org 2004-01-05 01:53 ------- Fixed in GCC 3.4. -- What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/13529] [3.4 regression] offsetof() with member-designator containing member access broken 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org ` (5 preceding siblings ...) 2004-01-05 1:53 ` mmitchel at gcc dot gnu dot org @ 2004-01-05 1:53 ` cvs-commit at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: cvs-commit at gcc dot gnu dot org @ 2004-01-05 1:53 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-01-05 01:53 ------- Subject: Bug 13529 CVSROOT: /cvs/gcc Module name: gcc Changes by: mmitchel@gcc.gnu.org 2004-01-05 01:52:58 Modified files: gcc/cp : ChangeLog gcc/testsuite : ChangeLog Added files: gcc/testsuite/g++.dg/parse: offsetof3.C Log message: PR c++/13529 * parser.c (cp_parser_postfix_expression): Allow "." to appear in an offsetof expression. PR c++/13529 * g++.dg/parse/offsetof3.C: New test. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.3850&r2=1.3851 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3333&r2=1.3334 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/parse/offsetof3.C.diff?cvsroot=gcc&r1=NONE&r2=1.1 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13529 ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2004-01-05 1:53 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2003-12-31 3:33 [Bug c++/13529] New: [3.4 regression] offsetof() with member-designator containing member access broken dbaron at dbaron dot org 2003-12-31 7:51 ` [Bug c++/13529] " dbaron at dbaron dot org 2003-12-31 7:57 ` dbaron at dbaron dot org 2003-12-31 8:53 ` dbaron at dbaron dot org 2004-01-01 0:32 ` pinskia at gcc dot gnu dot org 2004-01-04 22:48 ` mmitchel at gcc dot gnu dot org 2004-01-05 1:53 ` mmitchel at gcc dot gnu dot org 2004-01-05 1:53 ` cvs-commit at gcc dot gnu dot org
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