[Bug c++/50608] [4.6/4.7 regression] cannot apply 'offsetof' to a non-constant address

2012-06-11 Thread amker at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

--- Comment #9 from amker at gcc dot gnu.org 2012-06-12 03:11:03 UTC ---
Author: amker
Date: Tue Jun 12 03:10:55 2012
New Revision: 188418

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188418
Log:
Backport r180986 from mainline
2011-11-04  Eric Botcazou  

PR c++/50608
* c-common.c (c_fully_fold_internal) : Call fold_offsetof_1.
(fold_offsetof_1): Make global.  Remove STOP_REF argument and adjust.
: Return the argument.
: Remove special code for negative offset.
Call fold_build_pointer_plus instead of size_binop.
(fold_offsetof): Remove STOP_REF argument and adjust.
* c-common.h (fold_offsetof_1): Declare.
(fold_offsetof): Remove STOP_REF argument.

PR c++/50608
* c-parser.c (c_parser_postfix_expression) : Adjust call
to fold_offsetof.
* c-typeck.c (build_unary_op) : Call fold_offsetof_1.

* g++.dg/other/offsetof7.C: New test.

PR c++/50608
* semantics.c (finish_offsetof): Adjust call to fold_offsetof.
* typeck.c (cp_build_addr_expr_1): Call fold_offsetof_1.


Added:
branches/ARM/embedded-4_6-branch/gcc/c-family/ChangeLog.arm
branches/ARM/embedded-4_6-branch/gcc/cp/ChangeLog.arm
branches/ARM/embedded-4_6-branch/gcc/testsuite/g++.dg/other/offsetof7.C
Modified:
branches/ARM/embedded-4_6-branch/gcc/ChangeLog.arm
branches/ARM/embedded-4_6-branch/gcc/c-family/c-common.c
branches/ARM/embedded-4_6-branch/gcc/c-family/c-common.h
branches/ARM/embedded-4_6-branch/gcc/c-parser.c
branches/ARM/embedded-4_6-branch/gcc/c-typeck.c
branches/ARM/embedded-4_6-branch/gcc/cp/semantics.c
branches/ARM/embedded-4_6-branch/gcc/cp/typeck.c
branches/ARM/embedded-4_6-branch/gcc/testsuite/ChangeLog.arm


[Bug c++/50608] [4.6/4.7 regression] cannot apply 'offsetof' to a non-constant address

2011-11-04 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Eric Botcazou  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
Version|4.6.1   |4.6.3
 Resolution||FIXED

--- Comment #8 from Eric Botcazou  2011-11-04 
21:52:41 UTC ---
Patch applied.


[Bug c++/50608] [4.6/4.7 regression] cannot apply 'offsetof' to a non-constant address

2011-11-04 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

--- Comment #7 from Eric Botcazou  2011-11-04 
21:49:52 UTC ---
Author: ebotcazou
Date: Fri Nov  4 21:49:49 2011
New Revision: 180988

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180988
Log:
2011-11-04  Eric Botcazou  

PR c++/50608
* c-parser.c (c_parser_postfix_expression) : Adjust call
to fold_offsetof.
* c-typeck.c (build_unary_op) : Call fold_offsetof_1.
c-family/
* c-common.c (c_fully_fold_internal) : Call fold_offsetof_1.
(fold_offsetof_1): Make global.  Remove STOP_REF argument and adjust.
: Return the argument.
: Remove special code for negative offset.
Call fold_build_pointer_plus instead of size_binop.
(fold_offsetof): Remove STOP_REF argument and adjust.
* c-common.h (fold_offsetof_1): Declare.
(fold_offsetof): Remove STOP_REF argument.
cp/
* semantics.c (finish_offsetof): Adjust call to fold_offsetof.
* typeck.c (cp_build_addr_expr_1): Call fold_offsetof_1.

Added:
branches/gcc-4_6-branch/gcc/testsuite/g++.dg/other/offsetof7.C
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/c-family/ChangeLog
branches/gcc-4_6-branch/gcc/c-family/c-common.c
branches/gcc-4_6-branch/gcc/c-family/c-common.h
branches/gcc-4_6-branch/gcc/c-parser.c
branches/gcc-4_6-branch/gcc/c-typeck.c
branches/gcc-4_6-branch/gcc/cp/ChangeLog
branches/gcc-4_6-branch/gcc/cp/semantics.c
branches/gcc-4_6-branch/gcc/cp/typeck.c
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog


[Bug c++/50608] [4.6/4.7 regression] cannot apply 'offsetof' to a non-constant address

2011-11-04 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

--- Comment #6 from Eric Botcazou  2011-11-04 
21:46:10 UTC ---
Author: ebotcazou
Date: Fri Nov  4 21:46:07 2011
New Revision: 180986

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180986
Log:
2011-11-04  Eric Botcazou  

PR c++/50608
* c-parser.c (c_parser_postfix_expression) : Adjust call
to fold_offsetof.
* c-typeck.c (build_unary_op) : Call fold_offsetof_1.
c-family/
* c-common.c (c_fully_fold_internal) : Call fold_offsetof_1.
(fold_offsetof_1): Make global.  Remove STOP_REF argument and adjust.
: Return the argument.
: Remove special code for negative offset.
Call fold_build_pointer_plus instead of size_binop.
(fold_offsetof): Remove STOP_REF argument and adjust.
* c-common.h (fold_offsetof_1): Declare.
(fold_offsetof): Remove STOP_REF argument.
cp/
* semantics.c (finish_offsetof): Adjust call to fold_offsetof.
* typeck.c (cp_build_addr_expr_1): Call fold_offsetof_1.

Added:
trunk/gcc/testsuite/g++.dg/other/offsetof7.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-common.c
trunk/gcc/c-family/c-common.h
trunk/gcc/c-parser.c
trunk/gcc/c-typeck.c
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/semantics.c
trunk/gcc/cp/typeck.c
trunk/gcc/testsuite/ChangeLog


[Bug c++/50608] [4.6/4.7 regression] cannot apply 'offsetof' to a non-constant address

2011-10-26 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Jakub Jelinek  changed:

   What|Removed |Added

   Target Milestone|4.6.2   |4.6.3

--- Comment #5 from Jakub Jelinek  2011-10-26 
17:13:25 UTC ---
GCC 4.6.2 is being released.


[Bug c++/50608] [4.6/4.7 Regression] cannot apply 'offsetof' to a non constant address

2011-10-11 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Eric Botcazou  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 AssignedTo|unassigned at gcc dot   |ebotcazou at gcc dot
   |gnu.org |gnu.org

--- Comment #4 from Eric Botcazou  2011-10-11 
09:48:05 UTC ---
It turns out that __builtin_offsetof goes through the new code.  Fixing...


[Bug c++/50608] [4.6/4.7 Regression] cannot apply 'offsetof' to a non constant address

2011-10-11 Thread mikpe at it dot uu.se
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Mikael Pettersson  changed:

   What|Removed |Added

 CC||ebotcazou at gcc dot
   ||gnu.org, mikpe at it dot
   ||uu.se

--- Comment #3 from Mikael Pettersson  2011-10-11 
09:07:53 UTC ---
This regression started with r159800, Eric Botcazou's PR44100 fix:
http://gcc.gnu.org/ml/gcc-cvs/2010-05/msg00854.html


[Bug c++/50608] [4.6/4.7 Regression] cannot apply 'offsetof' to a non constant address

2011-10-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Richard Guenther  changed:

   What|Removed |Added

   Keywords||rejects-valid
   Priority|P3  |P2
  Known to work||4.5.3
  Known to fail||4.6.0


[Bug c++/50608] [4.6/4.7 Regression] cannot apply 'offsetof' to a non constant address

2011-10-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Richard Guenther  changed:

   What|Removed |Added

   Target Milestone|--- |4.6.2


[Bug c++/50608] [4.6/4.7 Regression] cannot apply 'offsetof' to a non constant address

2011-10-04 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50608

Paolo Carlini  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2011-10-04
Summary|cannot apply 'offsetof' to  |[4.6/4.7 Regression] cannot
   |a non constant address  |apply 'offsetof' to a non
   ||constant address
 Ever Confirmed|0   |1

--- Comment #2 from Paolo Carlini  2011-10-04 
09:34:37 UTC ---
Seems a Regression.