* [Bug c/37913] internal compiler error: Segmentation fault
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
@ 2008-10-25 8:57 ` mhx-perl at gmx dot net
2008-10-25 9:48 ` [Bug middle-end/37913] [4.4 Regression] " ubizjak at gmail dot com
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: mhx-perl at gmx dot net @ 2008-10-25 8:57 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from mhx-perl at gmx dot net 2008-10-25 08:56 -------
Created an attachment (id=16539)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16539&action=view)
Preprocessed source that triggers ICE/segfault
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37913
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/37913] [4.4 Regression] internal compiler error: Segmentation fault
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
2008-10-25 8:57 ` [Bug c/37913] " mhx-perl at gmx dot net
@ 2008-10-25 9:48 ` ubizjak at gmail dot com
2008-10-25 10:15 ` ubizjak at gmail dot com
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: ubizjak at gmail dot com @ 2008-10-25 9:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from ubizjak at gmail dot com 2008-10-25 09:46 -------
Confirmed on x86_64-pc-linux-gnu:
Program received signal SIGSEGV, Segmentation fault.
0x00000000004c6e04 in link_block (b=0x7fa2cf6fba20, after=0x7fa2cf6fb840) at
../../gcc-svn/trunk/gcc/cfg.c:153
\x1a\x1a/home/uros/gcc-svn/trunk/gcc/cfg.c:153:4316:beg:0x4c6e04
Missing separate debuginfos, use: debuginfo-install glibc.x86_64
(gdb) bt
#0 0x00000000004c6e04 in link_block (b=0x7fa2cf6fba20, after=0x7fa2cf6fb840)
at ../../gcc-svn/trunk/gcc/cfg.c:153
#1 0x00000000006e9bc6 in create_bb (h=<value optimized out>, e=<value
optimized out>, after=0x7fa2cf6fb840) at ../../gcc-svn/trunk/gcc/tree-cfg.c:401
#2 0x00000000004cd443 in create_basic_block (head=0x7fa2cf6fba20,
end=0x7fa2cf6fb840, after=0x0) at ../../gcc-svn/trunk/gcc/cfghooks.c:611
#3 0x00000000006ec7c5 in gimple_split_block (bb=0x7fa2cf6fba20,
stmt=0x7fa2cf6fb840) at ../../gcc-svn/trunk/gcc/tree-cfg.c:4839
#4 0x00000000004cd4cf in split_block (bb=0x7fa2cf6fb840, i=0x7fa2cf6fb840) at
../../gcc-svn/trunk/gcc/cfghooks.c:432
#5 0x00000000006f8ba1 in split_bbs_on_noreturn_calls () at
../../gcc-svn/trunk/gcc/tree-cfgcleanup.c:492
#6 0x00000000006fa060 in cleanup_tree_cfg () at
../../gcc-svn/trunk/gcc/tree-cfgcleanup.c:572
/* Link block B to chain after AFTER. */
void
link_block (basic_block b, basic_block after)
{
b->next_bb = after->next_bb;
b->prev_bb = after;
after->next_bb = b;
b->next_bb->prev_bb = b; <<< here
}
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|c |middle-end
Ever Confirmed|0 |1
GCC target triplet|i686-pc-linux-gnu |
Last reconfirmed|0000-00-00 00:00:00 |2008-10-25 09:46:53
date| |
Summary|internal compiler error: |[4.4 Regression] internal
|Segmentation fault |compiler error: Segmentation
| |fault
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37913
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/37913] [4.4 Regression] internal compiler error: Segmentation fault
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
2008-10-25 8:57 ` [Bug c/37913] " mhx-perl at gmx dot net
2008-10-25 9:48 ` [Bug middle-end/37913] [4.4 Regression] " ubizjak at gmail dot com
@ 2008-10-25 10:15 ` ubizjak at gmail dot com
2008-10-27 10:43 ` [Bug middle-end/37913] [4.4 Regression] ICE: Segmentation fault in link_block, cfg.c:153 rguenth at gcc dot gnu dot org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: ubizjak at gmail dot com @ 2008-10-25 10:15 UTC (permalink / raw)
To: gcc-bugs
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 540 bytes --]
------- Comment #3 from ubizjak at gmail dot com 2008-10-25 10:14 -------
Minimized testcase:
--cut here--
void Perl_croak (void) __attribute__ ((noreturn));
static int __attribute__ ((noreturn))
not_here (void)
{
Perl_croak ();
}
void XS_IO__Handle_setvbuf (void)
{
int i = not_here ();
}
--cut here--
gcc -O2 pr37913.c:
pr37913.c: In function XS_IO__Handle_setvbuf:
pr37913.c:12: internal compiler error: Segmentation fault
Please submit a full bug report,
<etc>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37913
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/37913] [4.4 Regression] ICE: Segmentation fault in link_block, cfg.c:153
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
` (2 preceding siblings ...)
2008-10-25 10:15 ` ubizjak at gmail dot com
@ 2008-10-27 10:43 ` rguenth at gcc dot gnu dot org
2008-10-28 13:10 ` jakub at gcc dot gnu dot org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2008-10-27 10:43 UTC (permalink / raw)
To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37913
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/37913] [4.4 Regression] ICE: Segmentation fault in link_block, cfg.c:153
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
` (3 preceding siblings ...)
2008-10-27 10:43 ` [Bug middle-end/37913] [4.4 Regression] ICE: Segmentation fault in link_block, cfg.c:153 rguenth at gcc dot gnu dot org
@ 2008-10-28 13:10 ` jakub at gcc dot gnu dot org
2008-10-29 15:20 ` jakub at gcc dot gnu dot org
2008-10-29 15:22 ` jakub at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu dot org @ 2008-10-28 13:10 UTC (permalink / raw)
To: gcc-bugs
--
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 |
URL| |http://gcc.gnu.org/ml/gcc-
| |patches/2008-
| |10/msg01190.html
Status|NEW |ASSIGNED
Last reconfirmed|2008-10-25 09:46:53 |2008-10-28 13:09:04
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37913
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/37913] [4.4 Regression] ICE: Segmentation fault in link_block, cfg.c:153
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
` (4 preceding siblings ...)
2008-10-28 13:10 ` jakub at gcc dot gnu dot org
@ 2008-10-29 15:20 ` jakub at gcc dot gnu dot org
2008-10-29 15:22 ` jakub at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu dot org @ 2008-10-29 15:20 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from jakub at gcc dot gnu dot org 2008-10-29 15:19 -------
Subject: Bug 37913
Author: jakub
Date: Wed Oct 29 15:19:24 2008
New Revision: 141426
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141426
Log:
PR middle-end/37913
* tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Only split bbs
that haven't been removed yet.
* gcc.c-torture/compile/pr37913.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr37913.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-cfgcleanup.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37913
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/37913] [4.4 Regression] ICE: Segmentation fault in link_block, cfg.c:153
2008-10-25 8:55 [Bug c/37913] New: internal compiler error: Segmentation fault mhx-perl at gmx dot net
` (5 preceding siblings ...)
2008-10-29 15:20 ` jakub at gcc dot gnu dot org
@ 2008-10-29 15:22 ` jakub at gcc dot gnu dot org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu dot org @ 2008-10-29 15:22 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from jakub at gcc dot gnu dot org 2008-10-29 15:21 -------
Fixed.
--
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=37913
^ permalink raw reply [flat|nested] 8+ messages in thread