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Bug 21920 - aliasing violations
Summary: aliasing violations
Status: RESOLVED INVALID
Alias: None
Product: gcc
Classification: Unclassified
Component: c (show other bugs)
Version: 4.1.0
: P2 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
URL: http://gcc.gnu.org/onlinedocs/gcc-4.4...
Keywords:
: 697 1910 2911 3046 4069 4570 4620 4733 4888 5186 5398 6164 6377 6609 6893 6917 6985 7632 7728 8284 8302 9787 10125 10823 11011 11066 11376 11423 11855 11863 11915 11973 13028 13343 13411 13418 13453 13992 14299 14725 14750 14862 15837 16918 17333 17394 17665 17765 17865 17998 18074 18156 18468 18806 20053 20185 20269 20445 20479 20487 20729 21402 21461 21666 21699 21788 22190 22198 23077 23421 23793 23913 23961 23972 25235 25267 25355 25692 25862 26144 26214 26337 26663 26767 26867 26941 27045 27114 27241 27306 27412 27426 27533 27744 27838 27955 28073 28228 28727 28792 29626 29991 30208 30553 30724 30855 32281 32397 32677 32697 32714 33292 33379 33999 34169 34295 34385 34463 34552 36082 36340 37214 37849 38297 38527 38588 39093 39255 39734 40537 40686 40698 41072 41864 42052 42197 44098 44260 46443 47603 47708 (view as bug list)
Depends on: 14024
Blocks:
  Show dependency treegraph
 
Reported: 2005-06-05 08:22 UTC by Andrew Pinski
Modified: 2011-02-12 07:26 UTC (History)
41 users (show)

See Also:
Host:
Target:
Build:
Known to work:
Known to fail:
Last reconfirmed:


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Description Andrew Pinski 2005-06-05 08:22:16 UTC
A bug for marking as a dup for alias violations in people's code.
Comment 1 Andrew Pinski 2005-06-05 08:22:30 UTC
Marking as invalid.
Comment 2 Andrew Pinski 2005-06-05 08:23:17 UTC
*** Bug 11011 has been marked as a duplicate of this bug. ***
Comment 3 Andrew Pinski 2005-06-05 08:24:14 UTC
*** Bug 11066 has been marked as a duplicate of this bug. ***
Comment 4 Andrew Pinski 2005-06-05 08:25:13 UTC
*** Bug 11423 has been marked as a duplicate of this bug. ***
Comment 5 Andrew Pinski 2005-06-05 08:25:58 UTC
*** Bug 9787 has been marked as a duplicate of this bug. ***
Comment 6 Andrew Pinski 2005-06-05 08:27:37 UTC
*** Bug 11855 has been marked as a duplicate of this bug. ***
Comment 7 Andrew Pinski 2005-06-05 08:28:17 UTC
*** Bug 11863 has been marked as a duplicate of this bug. ***
Comment 8 Andrew Pinski 2005-06-05 08:32:01 UTC
*** Bug 13343 has been marked as a duplicate of this bug. ***
Comment 9 Andrew Pinski 2005-06-05 08:32:58 UTC
*** Bug 13028 has been marked as a duplicate of this bug. ***
Comment 10 Andrew Pinski 2005-06-05 08:33:44 UTC
*** Bug 13418 has been marked as a duplicate of this bug. ***
Comment 11 Andrew Pinski 2005-06-05 08:34:46 UTC
*** Bug 13453 has been marked as a duplicate of this bug. ***
Comment 12 Andrew Pinski 2005-06-05 08:37:01 UTC
*** Bug 10823 has been marked as a duplicate of this bug. ***
Comment 13 Andrew Pinski 2005-06-05 08:39:17 UTC
*** Bug 13992 has been marked as a duplicate of this bug. ***
Comment 14 Andrew Pinski 2005-06-05 08:40:03 UTC
*** Bug 13411 has been marked as a duplicate of this bug. ***
Comment 15 Andrew Pinski 2005-06-05 08:40:58 UTC
*** Bug 14299 has been marked as a duplicate of this bug. ***
Comment 16 Andrew Pinski 2005-06-05 08:42:17 UTC
*** Bug 14725 has been marked as a duplicate of this bug. ***
Comment 17 Andrew Pinski 2005-06-05 08:42:55 UTC
*** Bug 14750 has been marked as a duplicate of this bug. ***
Comment 18 Andrew Pinski 2005-06-05 08:43:54 UTC
*** Bug 11973 has been marked as a duplicate of this bug. ***
Comment 19 Andrew Pinski 2005-06-05 08:44:47 UTC
*** Bug 14862 has been marked as a duplicate of this bug. ***
Comment 20 Andrew Pinski 2005-06-05 08:45:34 UTC
*** Bug 11915 has been marked as a duplicate of this bug. ***
Comment 21 Andrew Pinski 2005-06-05 08:47:15 UTC
*** Bug 15837 has been marked as a duplicate of this bug. ***
Comment 22 Andrew Pinski 2005-06-05 08:51:52 UTC
*** Bug 10125 has been marked as a duplicate of this bug. ***
Comment 23 Andrew Pinski 2005-06-05 08:53:23 UTC
*** Bug 16918 has been marked as a duplicate of this bug. ***
Comment 24 Andrew Pinski 2005-06-05 08:54:49 UTC
*** Bug 17333 has been marked as a duplicate of this bug. ***
Comment 25 Andrew Pinski 2005-06-05 08:55:40 UTC
*** Bug 17394 has been marked as a duplicate of this bug. ***
Comment 26 Andrew Pinski 2005-06-05 08:57:13 UTC
*** Bug 17665 has been marked as a duplicate of this bug. ***
Comment 27 Andrew Pinski 2005-06-05 08:58:37 UTC
*** Bug 17765 has been marked as a duplicate of this bug. ***
Comment 28 Andrew Pinski 2005-06-05 08:59:49 UTC
*** Bug 17865 has been marked as a duplicate of this bug. ***
Comment 29 Andrew Pinski 2005-06-05 09:01:16 UTC
*** Bug 17998 has been marked as a duplicate of this bug. ***
Comment 30 Andrew Pinski 2005-06-05 09:02:16 UTC
*** Bug 18074 has been marked as a duplicate of this bug. ***
Comment 31 Andrew Pinski 2005-06-05 09:03:19 UTC
*** Bug 18156 has been marked as a duplicate of this bug. ***
Comment 32 Andrew Pinski 2005-06-05 09:04:53 UTC
*** Bug 18468 has been marked as a duplicate of this bug. ***
Comment 33 Andrew Pinski 2005-06-05 09:06:52 UTC
*** Bug 20053 has been marked as a duplicate of this bug. ***
Comment 34 Andrew Pinski 2005-06-05 09:07:54 UTC
*** Bug 20185 has been marked as a duplicate of this bug. ***
Comment 35 Andrew Pinski 2005-06-05 09:08:47 UTC
*** Bug 20269 has been marked as a duplicate of this bug. ***
Comment 36 Andrew Pinski 2005-06-05 09:09:51 UTC
*** Bug 18806 has been marked as a duplicate of this bug. ***
Comment 37 Andrew Pinski 2005-06-05 09:10:53 UTC
*** Bug 20445 has been marked as a duplicate of this bug. ***
Comment 38 Andrew Pinski 2005-06-05 09:11:48 UTC
*** Bug 20479 has been marked as a duplicate of this bug. ***
Comment 39 Andrew Pinski 2005-06-05 09:12:25 UTC
*** Bug 20487 has been marked as a duplicate of this bug. ***
Comment 40 Andrew Pinski 2005-06-05 09:14:48 UTC
*** Bug 20729 has been marked as a duplicate of this bug. ***
Comment 41 Andrew Pinski 2005-06-05 09:17:19 UTC
*** Bug 11376 has been marked as a duplicate of this bug. ***
Comment 42 Andrew Pinski 2005-06-05 09:18:17 UTC
*** Bug 21461 has been marked as a duplicate of this bug. ***
Comment 43 Andrew Pinski 2005-06-05 09:19:21 UTC
*** Bug 21666 has been marked as a duplicate of this bug. ***
Comment 44 Andrew Pinski 2005-06-05 09:20:51 UTC
*** Bug 21699 has been marked as a duplicate of this bug. ***
Comment 45 Andrew Pinski 2005-06-05 09:21:56 UTC
*** Bug 21402 has been marked as a duplicate of this bug. ***
Comment 46 Andrew Pinski 2005-06-05 09:23:13 UTC
*** Bug 21788 has been marked as a duplicate of this bug. ***
Comment 47 Andrew Pinski 2005-06-05 09:29:58 UTC
*** Bug 1910 has been marked as a duplicate of this bug. ***
Comment 48 Andrew Pinski 2005-06-05 09:30:47 UTC
*** Bug 2911 has been marked as a duplicate of this bug. ***
Comment 49 Andrew Pinski 2005-06-05 09:31:50 UTC
*** Bug 4069 has been marked as a duplicate of this bug. ***
Comment 50 Andrew Pinski 2005-06-05 09:32:55 UTC
*** Bug 4733 has been marked as a duplicate of this bug. ***
Comment 51 Andrew Pinski 2005-06-05 09:33:37 UTC
*** Bug 4888 has been marked as a duplicate of this bug. ***
Comment 52 Andrew Pinski 2005-06-05 09:34:48 UTC
*** Bug 5186 has been marked as a duplicate of this bug. ***
Comment 53 Andrew Pinski 2005-06-05 09:37:27 UTC
*** Bug 5398 has been marked as a duplicate of this bug. ***
Comment 54 Andrew Pinski 2005-06-05 09:41:15 UTC
*** Bug 6164 has been marked as a duplicate of this bug. ***
Comment 55 Andrew Pinski 2005-06-05 09:44:33 UTC
*** Bug 6377 has been marked as a duplicate of this bug. ***
Comment 56 Andrew Pinski 2005-06-05 09:46:33 UTC
*** Bug 6609 has been marked as a duplicate of this bug. ***
Comment 57 Andrew Pinski 2005-06-05 09:52:00 UTC
*** Bug 3046 has been marked as a duplicate of this bug. ***
Comment 58 Andrew Pinski 2005-06-05 09:52:13 UTC
*** Bug 6893 has been marked as a duplicate of this bug. ***
Comment 59 Andrew Pinski 2005-06-05 09:52:21 UTC
*** Bug 4620 has been marked as a duplicate of this bug. ***
Comment 60 Andrew Pinski 2005-06-05 09:52:37 UTC
*** Bug 7728 has been marked as a duplicate of this bug. ***
Comment 61 Andrew Pinski 2005-06-05 09:52:52 UTC
*** Bug 8284 has been marked as a duplicate of this bug. ***
Comment 62 Andrew Pinski 2005-06-05 09:53:09 UTC
*** Bug 697 has been marked as a duplicate of this bug. ***
Comment 63 Andrew Pinski 2005-06-26 14:31:11 UTC
*** Bug 22190 has been marked as a duplicate of this bug. ***
Comment 64 Andrew Pinski 2005-06-27 15:23:44 UTC
*** Bug 22198 has been marked as a duplicate of this bug. ***
Comment 65 Andrew Pinski 2005-07-26 14:37:01 UTC
*** Bug 23077 has been marked as a duplicate of this bug. ***
Comment 66 Andrew Pinski 2005-08-16 12:35:15 UTC
*** Bug 23421 has been marked as a duplicate of this bug. ***
Comment 67 Andrew Pinski 2005-08-31 12:29:15 UTC
*** Bug 23650 has been marked as a duplicate of this bug. ***
Comment 68 Andrew Pinski 2005-09-09 12:29:03 UTC
*** Bug 23793 has been marked as a duplicate of this bug. ***
Comment 69 Andrew Pinski 2005-09-16 14:18:40 UTC
*** Bug 23913 has been marked as a duplicate of this bug. ***
Comment 70 Andrew Pinski 2005-09-19 07:09:29 UTC
*** Bug 23961 has been marked as a duplicate of this bug. ***
Comment 71 Andrew Pinski 2005-09-19 07:12:30 UTC
For anyone else.
Read http://gcc.gnu.org/bugs.html
The non bug section: "Casting does not work as expected when optimization is turned on." part.
Also 14024 is the bug for C++ front-end not reporting possible aliasing violations.
Comment 72 Andrew Pinski 2005-09-19 20:25:39 UTC
*** Bug 23972 has been marked as a duplicate of this bug. ***
Comment 73 Andrew Pinski 2005-11-10 03:51:35 UTC
*** Bug 6985 has been marked as a duplicate of this bug. ***
Comment 74 Andrew Pinski 2005-11-10 03:52:00 UTC
*** Bug 6917 has been marked as a duplicate of this bug. ***
Comment 75 Andrew Pinski 2005-11-10 03:55:37 UTC
*** Bug 7632 has been marked as a duplicate of this bug. ***
Comment 76 Andrew Pinski 2005-11-10 03:59:46 UTC
*** Bug 4570 has been marked as a duplicate of this bug. ***
Comment 77 Andrew Pinski 2005-11-10 04:01:53 UTC
*** Bug 8302 has been marked as a duplicate of this bug. ***
Comment 78 Andrew Pinski 2005-12-02 23:32:50 UTC
*** Bug 25235 has been marked as a duplicate of this bug. ***
Comment 79 Andrew Pinski 2005-12-05 15:23:09 UTC
*** Bug 25267 has been marked as a duplicate of this bug. ***
Comment 80 Andrew Pinski 2005-12-11 17:58:25 UTC
*** Bug 25355 has been marked as a duplicate of this bug. ***
Comment 81 Andrew Pinski 2006-01-06 14:20:46 UTC
*** Bug 25692 has been marked as a duplicate of this bug. ***
Comment 82 Andrew Pinski 2006-01-19 18:59:35 UTC
*** Bug 25862 has been marked as a duplicate of this bug. ***
Comment 83 Andrew Pinski 2006-02-09 01:02:08 UTC
*** Bug 26144 has been marked as a duplicate of this bug. ***
Comment 84 Andrew Pinski 2006-02-10 18:11:31 UTC
*** Bug 26214 has been marked as a duplicate of this bug. ***
Comment 85 Andrew Pinski 2006-02-17 12:49:12 UTC
*** Bug 26337 has been marked as a duplicate of this bug. ***
Comment 86 Richard Biener 2006-03-13 13:37:57 UTC
*** Bug 26663 has been marked as a duplicate of this bug. ***
Comment 87 Richard Biener 2006-03-20 10:08:14 UTC
*** Bug 26767 has been marked as a duplicate of this bug. ***
Comment 88 Richard Biener 2006-03-25 16:14:25 UTC
*** Bug 26867 has been marked as a duplicate of this bug. ***
Comment 89 Volker Reichelt 2006-03-30 14:56:43 UTC
*** Bug 26941 has been marked as a duplicate of this bug. ***
Comment 90 Andrew Pinski 2006-04-05 16:13:56 UTC
*** Bug 27045 has been marked as a duplicate of this bug. ***
Comment 91 Richard Biener 2006-04-11 10:33:35 UTC
*** Bug 27114 has been marked as a duplicate of this bug. ***
Comment 92 Andrew Pinski 2006-04-21 23:06:56 UTC
*** Bug 27241 has been marked as a duplicate of this bug. ***
Comment 93 Richard Biener 2006-04-25 12:21:09 UTC
*** Bug 27306 has been marked as a duplicate of this bug. ***
Comment 94 Andrew Pinski 2006-05-03 23:27:38 UTC
*** Bug 27412 has been marked as a duplicate of this bug. ***
Comment 95 Andrew Pinski 2006-05-04 16:02:50 UTC
*** Bug 27426 has been marked as a duplicate of this bug. ***
Comment 96 Volker Reichelt 2006-05-10 14:59:09 UTC
*** Bug 27533 has been marked as a duplicate of this bug. ***
Comment 97 Andrew Pinski 2006-05-23 20:42:24 UTC
*** Bug 27744 has been marked as a duplicate of this bug. ***
Comment 98 Andreas Schwab 2006-05-31 13:04:37 UTC
*** Bug 27838 has been marked as a duplicate of this bug. ***
Comment 99 Andrew Pinski 2006-06-08 14:23:08 UTC
*** Bug 27955 has been marked as a duplicate of this bug. ***
Comment 100 Andrew Pinski 2006-06-17 14:56:23 UTC
*** Bug 28073 has been marked as a duplicate of this bug. ***
Comment 101 Steven Bosscher 2006-06-17 22:06:46 UTC
Release folks from the I-use-C-but-do-not-understand-its-semantics punishment list.

Seriously, though...  There is no reason to spam every one of these people every time there is another duplicate of this bug.
Comment 102 Daniel Berlin 2006-06-17 23:42:22 UTC
Subject: Re:  alias violating

steven at gcc dot gnu dot org wrote:
> ------- Comment #101 from steven at gcc dot gnu dot org  2006-06-17 22:06 -------
> Release folks from the I-use-C-but-do-not-understand-its-semantics punishment
> list.
> 
> Seriously, though...  There is no reason to spam every one of these people
> every time there is another duplicate of this bug.
> 
> 

Uh, they are free to remove themselves from the cc list if they like.

I'm certainly not going to special case the bugzilla cc list merging
code just for this bug :)


Comment 103 Andrew Pinski 2006-06-19 16:54:23 UTC
*** Bug 28073 has been marked as a duplicate of this bug. ***
Comment 104 Andrew Pinski 2006-07-03 03:36:06 UTC
*** Bug 28228 has been marked as a duplicate of this bug. ***
Comment 105 Andrew Pinski 2006-08-21 15:23:14 UTC
*** Bug 28792 has been marked as a duplicate of this bug. ***
Comment 106 Andrew Pinski 2006-08-26 20:46:25 UTC
*** Bug 28727 has been marked as a duplicate of this bug. ***
Comment 107 Andrew Pinski 2006-10-28 07:57:10 UTC
*** Bug 29626 has been marked as a duplicate of this bug. ***
Comment 108 Andreas Schwab 2006-11-27 09:51:33 UTC
*** Bug 29991 has been marked as a duplicate of this bug. ***
Comment 109 Andrew Pinski 2006-12-14 04:53:34 UTC
*** Bug 30208 has been marked as a duplicate of this bug. ***
Comment 110 Andrew Pinski 2007-01-23 05:08:49 UTC
*** Bug 30553 has been marked as a duplicate of this bug. ***
Comment 111 Andrew Pinski 2007-02-07 06:51:53 UTC
*** Bug 30724 has been marked as a duplicate of this bug. ***
Comment 112 Andrew Pinski 2007-02-19 02:12:33 UTC
*** Bug 30855 has been marked as a duplicate of this bug. ***
Comment 113 Andrew Pinski 2007-06-11 03:41:47 UTC
*** Bug 32281 has been marked as a duplicate of this bug. ***
Comment 114 Richard Biener 2007-06-11 12:23:41 UTC
*** Bug 32281 has been marked as a duplicate of this bug. ***
Comment 115 Andrew Pinski 2007-06-19 07:56:00 UTC
*** Bug 32397 has been marked as a duplicate of this bug. ***
Comment 116 Andrew Pinski 2007-07-08 18:23:38 UTC
*** Bug 32677 has been marked as a duplicate of this bug. ***
Comment 117 Andreas Schwab 2007-07-09 13:35:29 UTC
*** Bug 32697 has been marked as a duplicate of this bug. ***
Comment 118 Richard Biener 2007-07-10 09:23:39 UTC
*** Bug 32714 has been marked as a duplicate of this bug. ***
Comment 119 Richard Biener 2007-09-03 15:20:58 UTC
*** Bug 33292 has been marked as a duplicate of this bug. ***
Comment 120 Andrew Pinski 2007-09-10 14:44:53 UTC
*** Bug 33379 has been marked as a duplicate of this bug. ***
Comment 121 Andrew Pinski 2007-11-05 22:25:53 UTC
*** Bug 33999 has been marked as a duplicate of this bug. ***
Comment 122 Andrew Pinski 2007-11-21 00:18:12 UTC
*** Bug 34169 has been marked as a duplicate of this bug. ***
Comment 123 Richard Biener 2007-11-29 16:54:50 UTC
*** Bug 34295 has been marked as a duplicate of this bug. ***
Comment 124 Richard Biener 2007-12-07 23:14:16 UTC
*** Bug 34385 has been marked as a duplicate of this bug. ***
Comment 125 Andrew Pinski 2007-12-14 17:33:28 UTC
*** Bug 34463 has been marked as a duplicate of this bug. ***
Comment 126 Andrew Pinski 2007-12-22 05:38:53 UTC
*** Bug 34552 has been marked as a duplicate of this bug. ***
Comment 127 Andrew Pinski 2008-04-29 21:24:28 UTC
*** Bug 36082 has been marked as a duplicate of this bug. ***
Comment 128 Andrew Pinski 2008-05-27 09:57:51 UTC
*** Bug 36340 has been marked as a duplicate of this bug. ***
Comment 129 Andreas Schwab 2008-08-23 23:07:15 UTC
*** Bug 37214 has been marked as a duplicate of this bug. ***
Comment 130 Andreas Schwab 2008-10-16 13:30:00 UTC
*** Bug 37849 has been marked as a duplicate of this bug. ***
Comment 131 Andrew Pinski 2008-11-28 02:20:58 UTC
*** Bug 38297 has been marked as a duplicate of this bug. ***
Comment 132 Andrew Pinski 2008-11-28 16:52:56 UTC
*** Bug 38297 has been marked as a duplicate of this bug. ***
Comment 133 Mihai Donțu 2008-11-28 16:58:04 UTC
removed myself from the CC list
Comment 134 Andrew Pinski 2008-11-28 23:32:15 UTC
*** Bug 38297 has been marked as a duplicate of this bug. ***
Comment 135 Andreas Schwab 2008-12-14 20:36:26 UTC
*** Bug 38527 has been marked as a duplicate of this bug. ***
Comment 136 Andrew Pinski 2008-12-21 01:58:59 UTC
*** Bug 38588 has been marked as a duplicate of this bug. ***
Comment 137 Andreas Schwab 2009-02-04 09:33:57 UTC
*** Bug 39093 has been marked as a duplicate of this bug. ***
Comment 138 Andrew Pinski 2009-02-20 23:56:11 UTC
*** Bug 39255 has been marked as a duplicate of this bug. ***
Comment 139 Andrew Pinski 2009-02-21 00:44:12 UTC
*** Bug 39255 has been marked as a duplicate of this bug. ***
Comment 140 Andrew Pinski 2009-04-11 07:20:19 UTC
*** Bug 39734 has been marked as a duplicate of this bug. ***
Comment 141 Uroš Bizjak 2009-06-25 09:03:30 UTC
*** Bug 40537 has been marked as a duplicate of this bug. ***
Comment 142 Andrew Pinski 2009-07-08 18:22:49 UTC
*** Bug 40686 has been marked as a duplicate of this bug. ***
Comment 143 Jakub Jelinek 2009-07-09 13:50:56 UTC
*** Bug 40698 has been marked as a duplicate of this bug. ***
Comment 144 Manuel López-Ibáñez 2009-07-09 15:20:36 UTC
I added in the URL field the relevant section in the GCC manual.
Comment 145 Richard Biener 2009-07-09 15:26:13 UTC
*** Bug 40698 has been marked as a duplicate of this bug. ***
Comment 146 Andrew Pinski 2009-08-14 19:10:30 UTC
*** Bug 41072 has been marked as a duplicate of this bug. ***
Comment 147 Richard Biener 2009-08-18 09:18:32 UTC
*** Bug 41072 has been marked as a duplicate of this bug. ***
Comment 148 Andrew Pinski 2009-10-29 05:49:30 UTC
*** Bug 41864 has been marked as a duplicate of this bug. ***
Comment 149 Andrew Pinski 2009-11-15 19:02:07 UTC
*** Bug 42052 has been marked as a duplicate of this bug. ***
Comment 150 Paolo Carlini 2009-11-27 16:53:09 UTC
*** Bug 42197 has been marked as a duplicate of this bug. ***
Comment 151 Paolo Carlini 2010-05-12 15:29:18 UTC
*** Bug 44098 has been marked as a duplicate of this bug. ***
Comment 152 Andreas Schwab 2010-05-24 15:48:31 UTC
*** Bug 44260 has been marked as a duplicate of this bug. ***
Comment 153 Andrew Pinski 2010-11-11 23:53:31 UTC
*** Bug 46443 has been marked as a duplicate of this bug. ***
Comment 154 Andrew Pinski 2011-02-03 21:24:12 UTC
*** Bug 47603 has been marked as a duplicate of this bug. ***
Comment 155 Andrew Pinski 2011-02-12 07:26:12 UTC
*** Bug 47708 has been marked as a duplicate of this bug. ***