* [Bug c/62090] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
@ 2014-08-11 16:57 ` trippels at gcc dot gnu.org
2014-08-13 8:34 ` rguenth at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: trippels at gcc dot gnu.org @ 2014-08-11 16:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-08-11
CC| |trippels at gcc dot gnu.org
Version|4.9.2 |4.10.0
Target Milestone|--- |4.10.0
Ever confirmed|0 |1
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat bug158.c
long a;
int *b;
extern __inline __attribute__ ((__always_inline__))
__attribute__ ((__gnu_inline__)) int sprintf (int *p1, char *p2, ...)
{
a = __builtin_object_size (0, 0);
return __builtin___sprintf_chk (0, 0, a, p2, __builtin_va_arg_pack ());
}
void
log_bad_request ()
{
b += sprintf (0, "foo");
}
markus@x4 tmp % gcc -O2 -c bug158.c
bug158.c: In function ‘log_bad_request’:
bug158.c:11:1: internal compiler error: in execute_todo, at passes.c:1795
log_bad_request ()
^
0x92b62c execute_todo
../../gcc/gcc/passes.c:1795
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
>From gcc-bugs-return-458181-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Aug 11 17:41:12 2014
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Subject: [Bug lto/58042] MinGW GCC produces problematic x64 executable with -O2 -static -flto -m64
Date: Mon, 11 Aug 2014 17:41:00 -0000
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Domani Hannes <ssbssa at yahoo dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ssbssa at yahoo dot de
--- Comment #1 from Domani Hannes <ssbssa at yahoo dot de> ---
I can reproduce this with 4.8.3, but not with 4.9.0 or 4.9.1.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug c/62090] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
2014-08-11 16:57 ` [Bug c/62090] " trippels at gcc dot gnu.org
@ 2014-08-13 8:34 ` rguenth at gcc dot gnu.org
2014-08-14 9:02 ` [Bug middle-end/62090] [5 Regression] " rguenth at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-08-13 8:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Two different bugs I guess, both mine.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
2014-08-11 16:57 ` [Bug c/62090] " trippels at gcc dot gnu.org
2014-08-13 8:34 ` rguenth at gcc dot gnu.org
@ 2014-08-14 9:02 ` rguenth at gcc dot gnu.org
2014-08-14 9:02 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-08-14 9:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Aug 14 09:02:18 2014
New Revision: 213951
URL: https://gcc.gnu.org/viewcvs?rev=213951&root=gcc&view=rev
Log:
2014-08-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/62090
* builtins.c (fold_builtin_sprintf): Move to gimple-fold.c.
(fold_builtin_2): Do not fold sprintf.
(fold_builtin_3): Likewise.
* gimple-fold.c (gimple_fold_builtin_sprintf): New function
moved from builtins.c.
(gimple_fold_builtin): Fold sprintf.
* gcc.dg/pr62090.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr62090.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/gimple-fold.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
` (2 preceding siblings ...)
2014-08-14 9:02 ` [Bug middle-end/62090] [5 Regression] " rguenth at gcc dot gnu.org
@ 2014-08-14 9:02 ` rguenth at gcc dot gnu.org
2014-08-18 7:50 ` dcb314 at hotmail dot com
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-08-14 9:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Component|c |middle-end
Resolution|--- |FIXED
Summary|ice in compute_may_aliases |[5 Regression] ice in
| |compute_may_aliases
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
` (3 preceding siblings ...)
2014-08-14 9:02 ` rguenth at gcc dot gnu.org
@ 2014-08-18 7:50 ` dcb314 at hotmail dot com
2014-08-18 8:36 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: dcb314 at hotmail dot com @ 2014-08-18 7:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
--- Comment #6 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 33345
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33345&action=edit
C source code
For the attached code, compiled by gcc trunk dated 20140817,
the following crash message is produced
$ ../results/bin/gcc -c -O2 bug160.c
adb.c: In function ‘send_connect’:
adb.c:316:13: internal compiler error: in compute_may_aliases, at
tree-ssa-structalias.c:6986
0xb1ada6 compute_may_aliases()
../../src/trunk/gcc/tree-ssa-structalias.c:6986
0x8d6514 execute_function_todo
../../src/trunk/gcc/passes.c:1721
0x8d6e2b do_per_function
../../src/trunk/gcc/passes.c:1476
0x8d6e2b execute_todo
../../src/trunk/gcc/passes.c:1806
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Compiler flag -O2 required.
>From gcc-bugs-return-458679-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Aug 18 07:52:10 2014
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Subject: [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
Date: Mon, 18 Aug 2014 07:52:00 -0000
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David Binderman <dcb314 at hotmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |---
--- Comment #7 from David Binderman <dcb314 at hotmail dot com> ---
New attachment might be a related bug, or something new.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
` (4 preceding siblings ...)
2014-08-18 7:50 ` dcb314 at hotmail dot com
@ 2014-08-18 8:36 ` rguenth at gcc dot gnu.org
2014-08-18 14:51 ` rguenth at gcc dot gnu.org
2014-08-18 14:57 ` rguenth at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-08-18 8:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ok, same for sprintf. Testing a patch.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
` (5 preceding siblings ...)
2014-08-18 8:36 ` rguenth at gcc dot gnu.org
@ 2014-08-18 14:51 ` rguenth at gcc dot gnu.org
2014-08-18 14:57 ` rguenth at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-08-18 14:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Aug 18 14:51:04 2014
New Revision: 214105
URL: https://gcc.gnu.org/viewcvs?rev=214105&root=gcc&view=rev
Log:
2014-08-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/62090
* builtins.c (fold_builtin_snprintf): Move to gimple-fold.c.
(fold_builtin_3): Do not fold snprintf.
(fold_builtin_4): Likewise.
* gimple-fold.c (gimple_fold_builtin_snprintf): New function
moved from builtins.c.
(gimple_fold_builtin_with_strlen): Fold snprintf and sprintf.
(gimple_fold_builtin): Do not fold sprintf here.
* gcc.dg/pr62090-2.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr62090-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/gimple-fold.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug middle-end/62090] [5 Regression] ice in compute_may_aliases
2014-08-11 15:35 [Bug c/62090] New: ice in compute_may_aliases dcb314 at hotmail dot com
` (6 preceding siblings ...)
2014-08-18 14:51 ` rguenth at gcc dot gnu.org
@ 2014-08-18 14:57 ` rguenth at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-08-18 14:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62090
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution|--- |FIXED
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed again.
^ permalink raw reply [flat|nested] 9+ messages in thread