* [Bug bootstrap/51346] [4.7 Regression] LTO bootstrap failed with bootstrap-profiled
2011-11-29 17:50 [Bug bootstrap/51346] New: [4.7 Regression] LTO bootstrap failed with bootstrap-profiled hjl.tools at gmail dot com
@ 2011-11-29 17:51 ` hjl.tools at gmail dot com
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From: hjl.tools at gmail dot com @ 2011-11-29 17:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51346
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.7.0
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2011-11-29 17:51 ` [Bug bootstrap/51346] " hjl.tools at gmail dot com
@ 2011-11-29 17:51 ` hjl.tools at gmail dot com
2011-11-29 18:08 ` dnovillo at gcc dot gnu.org
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From: hjl.tools at gmail dot com @ 2011-11-29 17:51 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-11-29 17:47:40 UTC ---
It is caused by revision 181803:
http://gcc.gnu.org/ml/gcc-cvs/2011-11/msg01097.html
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2011-11-29 17:51 ` hjl.tools at gmail dot com
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2011-11-29 18:59 ` dnovillo at gcc dot gnu.org
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--- Comment #2 from Diego Novillo <dnovillo at gcc dot gnu.org> 2011-11-29 17:50:01 UTC ---
Investigating.
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From: dnovillo at gcc dot gnu.org @ 2011-11-29 18:59 UTC (permalink / raw)
To: gcc-bugs
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Diego Novillo <dnovillo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011-11-29
Ever Confirmed|0 |1
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2011-11-29 18:59 ` dnovillo at gcc dot gnu.org
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2011-12-01 15:07 ` markus at trippelsdorf dot de
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From: dnovillo at gcc dot gnu.org @ 2011-11-30 21:06 UTC (permalink / raw)
To: gcc-bugs
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Diego Novillo <dnovillo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu.org
--- Comment #3 from Diego Novillo <dnovillo at gcc dot gnu.org> 2011-11-30 20:17:08 UTC ---
The reason we get into this ICE is because the call to cgraph_edge() has the
side effect of adding entries to e->caller->call_site_hash:
if (n > 100)
{
node->call_site_hash = htab_create_ggc (120, edge_hash, edge_eq, NULL);
for (e2 = node->callees; e2; e2 = e2->next_callee)
cgraph_add_edge_to_call_site_hash (e2);
for (e2 = node->indirect_calls; e2; e2 = e2->next_callee)
cgraph_add_edge_to_call_site_hash (e2);
}
When cgraph_edge is called with n > 100, the call to
cgraph_add_edge_to_call_site_hash asserts because e->call_stmt is already in
the hash table.
Honza, why is this a problem? The code is expecting to find the slot empty,
but I'm not sure why it expects that. Any pointers?
Thanks. Diego.
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2011-12-01 15:11 ` Joost.VandeVondele at mat dot ethz.ch
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From: markus at trippelsdorf dot de @ 2011-12-01 15:07 UTC (permalink / raw)
To: gcc-bugs
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Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |markus at trippelsdorf dot
| |de
--- Comment #4 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-12-01 15:06:11 UTC ---
With the assert in cgraph_add_edge_to_call_site_hash commented out I get:
../../gcc/gcc/c-parser.c: In function ‘c_parser_declaration_or_fndef’:
../../gcc/gcc/c-parser.c:1449:48: internal compiler error: Segmentation fault
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2011-12-01 18:13 ` howarth at nitro dot med.uc.edu
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From: Joost.VandeVondele at mat dot ethz.ch @ 2011-12-01 15:11 UTC (permalink / raw)
To: gcc-bugs
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Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |Joost.VandeVondele at mat
| |dot ethz.ch
--- Comment #5 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2011-12-01 15:10:25 UTC ---
*** Bug 51355 has been marked as a duplicate of this bug. ***
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From: howarth at nitro dot med.uc.edu @ 2011-12-01 18:13 UTC (permalink / raw)
To: gcc-bugs
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Jack Howarth <howarth at nitro dot med.uc.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |howarth at nitro dot
| |med.uc.edu
--- Comment #6 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-12-01 18:12:35 UTC ---
On x86_64-apple-darwin11, this failure occurs for a simple lto-bootstrap and
doesn't require bootstrap-profiled to trigger the problem.
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2011-12-01 21:11 ` dnovillo at gcc dot gnu.org
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From: dnovillo at google dot com @ 2011-12-01 18:22 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #7 from dnovillo at google dot com <dnovillo at google dot com> 2011-12-01 18:20:37 UTC ---
On Thu, Dec 1, 2011 at 13:12, howarth at nitro dot med.uc.edu
<gcc-bugzilla@gcc.gnu.org> wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51346
>
> Jack Howarth <howarth at nitro dot med.uc.edu> changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |howarth at nitro dot
> | |med.uc.edu
>
> --- Comment #6 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-12-01 18:12:35 UTC ---
> On x86_64-apple-darwin11, this failure occurs for a simple lto-bootstrap and
> doesn't require bootstrap-profiled to trigger the problem.
I'm about to commit a patch that should fix this bug.
Diego.
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From: dnovillo at gcc dot gnu.org @ 2011-12-01 21:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51346
--- Comment #8 from Diego Novillo <dnovillo at gcc dot gnu.org> 2011-12-01 21:05:14 UTC ---
Author: dnovillo
Date: Thu Dec 1 21:05:10 2011
New Revision: 181894
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181894
Log:
PR bootstrap/51346
* ipa-inline.c (can_inline_edge_p): If the edge E has a
statement, use the statement's inline indicator instead
of E's.
Remove consistency check.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ipa-inline.c
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From: dnovillo at gcc dot gnu.org @ 2011-12-01 21:11 UTC (permalink / raw)
To: gcc-bugs
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Diego Novillo <dnovillo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #9 from Diego Novillo <dnovillo at gcc dot gnu.org> 2011-12-01 21:11:22 UTC ---
Fixed. http://gcc.gnu.org/ml/gcc-patches/2011-12/msg00107.html.
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