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* [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
@ 2004-07-12  7:23 gdr at gcc dot gnu dot org
  2004-07-12  7:32 ` [Bug c++/16489] [3.3/3.4/3.5 Regression] " pinskia at gcc dot gnu dot org
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: gdr at gcc dot gnu dot org @ 2004-07-12  7:23 UTC (permalink / raw)
  To: gcc-bugs

Consider

    const int NULL = 0;
    int main() { double* p = NULL; }

G++ incorrectly rejects the above.  This regression is also present
in GCC-3.3.x, in direct violation of the C++ standard.

-- 
           Summary: G++ incorrectly rejects use of a null constant integral
                    expression as a null constant pointer
           Product: gcc
           Version: 3.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: gdr at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: Plateform independent


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
@ 2004-07-12  7:32 ` pinskia at gcc dot gnu dot org
  2004-07-12 14:06 ` pinskia at gcc dot gnu dot org
                   ` (6 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-07-12  7:32 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-07-12 07:32 -------
Confirmed.  Phil's regression hunter <http://www.devphil.com/~reghunt/> is down during the early 
EST morning hours :(.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |critical
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
           Keywords|                            |rejects-valid
      Known to fail|                            |3.2.3 3.2.2 3.3.3 3.5.0
                   |                            |3.4.0
      Known to work|                            |3.0.4
   Last reconfirmed|0000-00-00 00:00:00         |2004-07-12 07:32:04
               date|                            |
            Summary|G++ incorrectly rejects use |[3.3/3.4/3.5 Regression] G++
                   |of a null constant integral |incorrectly rejects use of a
                   |expression as a null        |null constant integral
                   |constant pointer            |expression as a null
                   |                            |constant pointer
   Target Milestone|---                         |3.4.2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
  2004-07-12  7:32 ` [Bug c++/16489] [3.3/3.4/3.5 Regression] " pinskia at gcc dot gnu dot org
@ 2004-07-12 14:06 ` pinskia at gcc dot gnu dot org
  2004-07-26 14:46 ` pinskia at gcc dot gnu dot org
                   ` (5 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-07-12 14:06 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-07-12 14:06 -------
Here is the result from Phil's regression hunter: Search converges between 2002-11-30-trunk (#150) 
and 2002-12-02-trunk (#151).

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
  2004-07-12  7:32 ` [Bug c++/16489] [3.3/3.4/3.5 Regression] " pinskia at gcc dot gnu dot org
  2004-07-12 14:06 ` pinskia at gcc dot gnu dot org
@ 2004-07-26 14:46 ` pinskia at gcc dot gnu dot org
  2004-07-27 10:57 ` gdr at integrable-solutions dot net
                   ` (4 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-07-26 14:46 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-07-26 14:46 -------
Note unlike most other constant integral expression 0 is special IIRC.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
                   ` (2 preceding siblings ...)
  2004-07-26 14:46 ` pinskia at gcc dot gnu dot org
@ 2004-07-27 10:57 ` gdr at integrable-solutions dot net
  2004-08-01 21:24 ` mmitchel at gcc dot gnu dot org
                   ` (3 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: gdr at integrable-solutions dot net @ 2004-07-27 10:57 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From gdr at integrable-solutions dot net  2004-07-27 10:57 -------
Subject: Re:  [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer

"pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> writes:

| Note unlike most other constant integral expression 0 is special IIRC.

I do not understand what you meant to imply...

-- Gaby


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
                   ` (3 preceding siblings ...)
  2004-07-27 10:57 ` gdr at integrable-solutions dot net
@ 2004-08-01 21:24 ` mmitchel at gcc dot gnu dot org
  2004-08-02  1:56 ` cvs-commit at gcc dot gnu dot org
                   ` (2 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: mmitchel at gcc dot gnu dot org @ 2004-08-01 21:24 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From mmitchel at gcc dot gnu dot org  2004-08-01 21:24 -------
Working on a fix.

-- 
           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=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
                   ` (4 preceding siblings ...)
  2004-08-01 21:24 ` mmitchel at gcc dot gnu dot org
@ 2004-08-02  1:56 ` cvs-commit at gcc dot gnu dot org
  2004-08-02  1:58 ` cvs-commit at gcc dot gnu dot org
  2004-08-02  2:01 ` mmitchel at gcc dot gnu dot org
  7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2004-08-02  1:56 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-08-02 01:56 -------
Subject: Bug 16489

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	mmitchel@gcc.gnu.org	2004-08-02 01:56:33

Modified files:
	gcc/cp         : ChangeLog call.c cp-tree.h decl.c pt.c 
	                 semantics.c typeck.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/inherit: ptrmem2.C 
	gcc/testsuite/g++.dg/init: null1.C 
	gcc/testsuite/g++.dg/parse: namespace10.C 

Log message:
	PR c++/16338
	* cp-tree.h (DECL_INTEGRAL_CONSTANT_VAR_P): New macro.
	* call.c (null_ptr_cst_p): Handle variables with constant
	initializers.
	* pt.c (convert_nontype_argument): Use
	DECL_INTEGRAL_CONSTANT_VAR_P.
	* semantics.c (finish_id_expression): Likewise.
	
	PR c++~/16489
	* decl.c (duplicate_decls): Reject duplicate namespace
	declarations.
	
	PR c++/16810
	* typeck.c (build_ptrmemfunc): Loosen assertion.
	
	PR c++/16338
	* g++.dg/init/null1.C: New test.
	* g++.dg/tc1/dr76.C: Adjust error marker.
	
	PR c++/16489
	* g++.dg/parse/namespace10.C: New test.
	
	PR c++/16810
	* g++.dg/inherit/ptrmem2.C: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3892.2.136&r2=1.3892.2.137
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/call.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.452.2.19&r2=1.452.2.20
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.946.4.14&r2=1.946.4.15
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.1174.2.21&r2=1.1174.2.22
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/pt.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.816.2.34&r2=1.816.2.35
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/semantics.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.381.4.11&r2=1.381.4.12
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/typeck.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.519.2.21&r2=1.519.2.22
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3389.2.238&r2=1.3389.2.239
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/inherit/ptrmem2.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/init/null1.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/parse/namespace10.C.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
                   ` (5 preceding siblings ...)
  2004-08-02  1:56 ` cvs-commit at gcc dot gnu dot org
@ 2004-08-02  1:58 ` cvs-commit at gcc dot gnu dot org
  2004-08-02  2:01 ` mmitchel at gcc dot gnu dot org
  7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu dot org @ 2004-08-02  1:58 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-08-02 01:58 -------
Subject: Bug 16489

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	mmitchel@gcc.gnu.org	2004-08-02 01:58:52

Modified files:
	gcc/cp         : ChangeLog call.c cp-tree.h decl.c pt.c 
	                 semantics.c typeck.c 
	gcc/testsuite  : ChangeLog 
	gcc/testsuite/g++.dg/tc1: dr76.C 
Added files:
	gcc/testsuite/g++.dg/inherit: ptrmem2.C 
	gcc/testsuite/g++.dg/init: null1.C 
	gcc/testsuite/g++.dg/parse: namespace10.C 

Log message:
	PR c++/16338
	* cp-tree.h (DECL_INTEGRAL_CONSTANT_VAR_P): New macro.
	* call.c (null_ptr_cst_p): Handle variables with constant
	initializers.
	* pt.c (convert_nontype_argument): Use
	DECL_INTEGRAL_CONSTANT_VAR_P.
	* semantics.c (finish_id_expression): Likewise.
	
	PR c++~/16489
	* decl.c (duplicate_decls): Reject duplicate namespace
	declarations.
	
	PR c++/16810
	* typeck.c (build_ptrmemfunc): Loosen assertion.
	
	PR c++/16338
	* g++.dg/init/null1.C: New test.
	* g++.dg/tc1/dr76.C: Adjust error marker.
	
	PR c++/16489
	* g++.dg/parse/namespace10.C: New test.
	
	PR c++/16810
	* g++.dg/inherit/ptrmem2.C: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.4254&r2=1.4255
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/call.c.diff?cvsroot=gcc&r1=1.496&r2=1.497
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-tree.h.diff?cvsroot=gcc&r1=1.1026&r2=1.1027
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/decl.c.diff?cvsroot=gcc&r1=1.1265&r2=1.1266
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/pt.c.diff?cvsroot=gcc&r1=1.898&r2=1.899
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/semantics.c.diff?cvsroot=gcc&r1=1.420&r2=1.421
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/typeck.c.diff?cvsroot=gcc&r1=1.565&r2=1.566
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4079&r2=1.4080
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/inherit/ptrmem2.C.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/init/null1.C.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/parse/namespace10.C.diff?cvsroot=gcc&r1=1.1&r2=1.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/tc1/dr76.C.diff?cvsroot=gcc&r1=1.2&r2=1.3



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug c++/16489] [3.3/3.4/3.5 Regression] G++ incorrectly rejects use of a null constant integral expression as a null constant pointer
  2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
                   ` (6 preceding siblings ...)
  2004-08-02  1:58 ` cvs-commit at gcc dot gnu dot org
@ 2004-08-02  2:01 ` mmitchel at gcc dot gnu dot org
  7 siblings, 0 replies; 9+ messages in thread
From: mmitchel at gcc dot gnu dot org @ 2004-08-02  2:01 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From mmitchel at gcc dot gnu dot org  2004-08-02 02:01 -------
Fixed in GCC 3.4.2 and GCC 3.5.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16489


^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2004-08-02  2:01 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-07-12  7:23 [Bug c++/16489] New: G++ incorrectly rejects use of a null constant integral expression as a null constant pointer gdr at gcc dot gnu dot org
2004-07-12  7:32 ` [Bug c++/16489] [3.3/3.4/3.5 Regression] " pinskia at gcc dot gnu dot org
2004-07-12 14:06 ` pinskia at gcc dot gnu dot org
2004-07-26 14:46 ` pinskia at gcc dot gnu dot org
2004-07-27 10:57 ` gdr at integrable-solutions dot net
2004-08-01 21:24 ` mmitchel at gcc dot gnu dot org
2004-08-02  1:56 ` cvs-commit at gcc dot gnu dot org
2004-08-02  1:58 ` cvs-commit at gcc dot gnu dot org
2004-08-02  2:01 ` mmitchel at gcc dot gnu dot org

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