[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[pcarlini at suse dot de]

--- Comment #7 from pcarlini at suse dot de  2007-11-11 14:04 ---
*** Bug 34066 has been marked as a duplicate of this bug. ***


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pcarlini at suse dot de changed:

   What|Removed |Added

 CC||guillaume dot melquiond at
   ||ens-lyon dot fr


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[jakub at gcc dot gnu dot org]

--- Comment #4 from jakub at gcc dot gnu dot org  2007-11-01 11:57 ---
Testing a fix.


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jakub at gcc dot gnu dot org changed:

   What|Removed |Added

 AssignedTo|unassigned at gcc dot gnu   |jakub at gcc dot gnu dot org
   |dot org |
 Status|NEW |ASSIGNED
   Last reconfirmed|2007-06-11 21:19:44 |2007-11-01 11:57:35
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[jakub at gcc dot gnu dot org]

--- Comment #5 from jakub at gcc dot gnu dot org  2007-11-01 22:50 ---
Subject: Bug 32260

Author: jakub
Date: Thu Nov  1 22:50:32 2007
New Revision: 129835

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=129835
Log:
PR c++/32260
* rtti.c (enum_tinfo_kind): Fix TK_TYPE_INFO_TYPE comment.
(typeid_ok_p): Use the same alias set for abi::__type_info_pseudo
as for std::type_info.

* g++.dg/rtti/typeid7.C: New test.

Added:
trunk/gcc/testsuite/g++.dg/rtti/typeid7.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/rtti.c
trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[jakub at gcc dot gnu dot org]

--- Comment #6 from jakub at gcc dot gnu dot org  2007-11-01 23:09 ---
Fixed.


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jakub at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[pcarlini at suse dot de]

--- Comment #3 from pcarlini at suse dot de  2007-10-26 09:00 ---
*** Bug 33902 has been marked as a duplicate of this bug. ***


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pcarlini at suse dot de changed:

   What|Removed |Added

 CC||benoit dot hudson at gmail
   ||dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[pcarlini at suse dot de]

--- Comment #2 from pcarlini at suse dot de  2007-09-28 17:04 ---
Short term at least, could be considered a duplicate of PR32256 (and PR32368).


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pcarlini at suse dot de changed:

   What|Removed |Added

 CC||pcarlini at suse dot de


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[mmitchel at gcc dot gnu dot org]

-- 

mmitchel at gcc dot gnu dot org changed:

   What|Removed |Added

   Priority|P3  |P2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260

[Bug c++/32260] [4.3 Regression] too many warning: dereferencing type-punned pointer will break strict-aliasing rules

[pinskia at gcc dot gnu dot org]

--- Comment #1 from pinskia at gcc dot gnu dot org  2007-06-11 21:19 ---
Confirmed, I have not looked into this close enough but this is a front-end bug
as the type (and aliasing set) of the typeid variable is different from
std::type_info's.


-- 

pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever Confirmed|0   |1
   Keywords||alias, diagnostic
   Last reconfirmed|-00-00 00:00:00 |2007-06-11 21:19:44
   date||
Summary|too many warning:   |[4.3 Regression] too many
   |dereferencing type-punned   |warning: dereferencing type-
   |pointer will break strict-  |punned pointer will break
   |aliasing rules  |strict-aliasing rules
   Target Milestone|--- |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32260