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* [Bug c/52912] New: ICE: verify_ssa failed
@ 2012-04-09 15:47 regehr at cs dot utah.edu
2012-04-10 12:23 ` [Bug tree-optimization/52912] [4.8 Regression] " rguenth at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: regehr at cs dot utah.edu @ 2012-04-09 15:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52912
Bug #: 52912
Summary: ICE: verify_ssa failed
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: regehr@cs.utah.edu
[regehr@dyson r14]$ current-gcc -Os small.c
small.c: In function 'fn2':
small.c:12:1: error: AUX pointer initialized for edge 3->4
small.c:12:1: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[regehr@dyson r14]$ cat small.c
int a, b, c;
int
fn1 (p1)
{
lbl_549:
if (p1)
goto lbl_549;
return 0;
}
void
fn2 ()
{
b = (c && a) > fn1 (c) >= c;
}
int
main ()
{
return 0;
}
[regehr@dyson r14]$ current-gcc -v
Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r186233-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r186233-install
--program-prefix=r186233- --enable-languages=c,c++
Thread model: posix
gcc version 4.8.0 20120409 (experimental) (GCC)
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/52912] [4.8 Regression] ICE: verify_ssa failed
2012-04-09 15:47 [Bug c/52912] New: ICE: verify_ssa failed regehr at cs dot utah.edu
@ 2012-04-10 12:23 ` rguenth at gcc dot gnu.org
2012-04-11 8:12 ` rguenth at gcc dot gnu.org
2012-04-11 8:16 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-04-10 12:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52912
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2012-04-10
Component|c |tree-optimization
AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org
|gnu.org |
Target Milestone|--- |4.8.0
Summary|ICE: verify_ssa failed |[4.8 Regression] ICE:
| |verify_ssa failed
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-10 12:23:14 UTC ---
Confirmed, mine. Possibly a dup of 52886.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/52912] [4.8 Regression] ICE: verify_ssa failed
2012-04-09 15:47 [Bug c/52912] New: ICE: verify_ssa failed regehr at cs dot utah.edu
2012-04-10 12:23 ` [Bug tree-optimization/52912] [4.8 Regression] " rguenth at gcc dot gnu.org
@ 2012-04-11 8:12 ` rguenth at gcc dot gnu.org
2012-04-11 8:16 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-04-11 8:12 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52912
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-11 08:12:38 UTC ---
Author: rguenth
Date: Wed Apr 11 08:12:33 2012
New Revision: 186303
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186303
Log:
2012-04-11 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52912
* tree-ssa-threadupdate.c (thread_block): Tell the cfg
manipulation code we are threading through a loop header
to an exit destination.
* gcc.dg/torture/pr52912.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr52912.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-threadupdate.c
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/52912] [4.8 Regression] ICE: verify_ssa failed
2012-04-09 15:47 [Bug c/52912] New: ICE: verify_ssa failed regehr at cs dot utah.edu
2012-04-10 12:23 ` [Bug tree-optimization/52912] [4.8 Regression] " rguenth at gcc dot gnu.org
2012-04-11 8:12 ` rguenth at gcc dot gnu.org
@ 2012-04-11 8:16 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-04-11 8:16 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52912
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-11 08:16:12 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-04-11 8:16 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2012-04-09 15:47 [Bug c/52912] New: ICE: verify_ssa failed regehr at cs dot utah.edu
2012-04-10 12:23 ` [Bug tree-optimization/52912] [4.8 Regression] " rguenth at gcc dot gnu.org
2012-04-11 8:12 ` rguenth at gcc dot gnu.org
2012-04-11 8:16 ` rguenth at gcc dot gnu.org
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