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* [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
@ 2015-05-31 12:36 Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:45 ` [Bug middle-end/66352] " Joost.VandeVondele at mat dot ethz.ch
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: Joost.VandeVondele at mat dot ethz.ch @ 2015-05-31 12:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
Bug ID: 66352
Summary: [6 Regression] ICE in in dfs_enumerate_from, at
cfganal.c:1195
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: Joost.VandeVondele at mat dot ethz.ch
Target Milestone: ---
Recent (last few days) regression :
> cat bug.f90
SUBROUTINE matmul_test ( ntim,len)
INTEGER, PARAMETER :: dp=8
REAL(KIND=dp), ALLOCATABLE, DIMENSION(:, :) :: ma, mb, mc
INTEGER :: siz,len, ntim
DO i = 5, siz, 2
len = 2**i + 1
ALLOCATE ( ma ( len, len ), STAT = ierr )
IF ( ierr /= 0 ) EXIT
ALLOCATE ( mb ( len, len ), STAT = ierr )
IF ( ierr /= 0 ) EXIT
ALLOCATE ( mc ( len, len ), STAT = ierr )
IF ( ierr /= 0 ) EXIT
DO j = 1, ntim
mc = MATMUL ( ma, mb )
END DO
END DO
END SUBROUTINE matmul_test
> gfortran -c -fprofile-generate -O3 bug.f90
bug.f90:1:0:
SUBROUTINE matmul_test ( ntim,len)
^
internal compiler error: in dfs_enumerate_from, at cfganal.c:1195
0x75b65d dfs_enumerate_from(basic_block_def*, int, bool (*)(basic_block_def
const*, void const*), basic_block_def**, int, void const*)
../../gcc/gcc/cfganal.c:1195
0xd93996 determine_bb_domination_status
../../gcc/gcc/tree-ssa-threadupdate.c:1769
0xd93996 thread_through_loop_header
../../gcc/gcc/tree-ssa-threadupdate.c:1953
0xd9549c thread_through_all_blocks(bool)
../../gcc/gcc/tree-ssa-threadupdate.c:2667
0xcc667b execute
../../gcc/gcc/tree-ssa-dom.c:1244
Please submit a full bug report,
gcc version 6.0.0 20150531 (experimental) [trunk revision 223896] (GCC)
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/66352] [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
@ 2015-05-31 12:45 ` Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:47 ` Joost.VandeVondele at mat dot ethz.ch
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Joost.VandeVondele at mat dot ethz.ch @ 2015-05-31 12:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |Joost.VandeVondele at mat dot ethz
| |.ch, rguenth at gcc dot gnu.org
--- Comment #1 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> ---
happened between -r 223856:223882, I'm guessing r223861
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/66352] [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:45 ` [Bug middle-end/66352] " Joost.VandeVondele at mat dot ethz.ch
@ 2015-05-31 12:47 ` Joost.VandeVondele at mat dot ethz.ch
2015-06-01 8:17 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Joost.VandeVondele at mat dot ethz.ch @ 2015-05-31 12:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |66340
--- Comment #2 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> ---
probably a dup of PR66340, but the testcase here is better.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66340
[Bug 66340] [6 Regression] profiledbootstrap failure on x86-64 with LTO
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/66352] [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:45 ` [Bug middle-end/66352] " Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:47 ` Joost.VandeVondele at mat dot ethz.ch
@ 2015-06-01 8:17 ` rguenth at gcc dot gnu.org
2015-06-01 13:59 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-06-01 8:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2015-06-01
Target Milestone|--- |6.0
Ever confirmed|0 |1
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/66352] [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
` (2 preceding siblings ...)
2015-06-01 8:17 ` rguenth at gcc dot gnu.org
@ 2015-06-01 13:59 ` rguenth at gcc dot gnu.org
2015-06-01 13:59 ` rguenth at gcc dot gnu.org
2015-06-01 14:00 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-06-01 13:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jun 1 13:58:50 2015
New Revision: 223980
URL: https://gcc.gnu.org/viewcvs?rev=223980&root=gcc&view=rev
Log:
2015-06-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/66349
PR tree-optimization/66352
PR tree-optimization/66357
* gcc.dg/torture/pr66357.c: New testcase.
* gcc.dg/torture/pr66349.c: Likewise.
* gfortran.fortran-torture/compile/pr66352.f90: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr66349.c
trunk/gcc/testsuite/gcc.dg/torture/pr66357.c
trunk/gcc/testsuite/gfortran.fortran-torture/compile/pr66352.f90
Modified:
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/66352] [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
` (3 preceding siblings ...)
2015-06-01 13:59 ` rguenth at gcc dot gnu.org
@ 2015-06-01 13:59 ` rguenth at gcc dot gnu.org
2015-06-01 14:00 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-06-01 13:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Patch reverted.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/66352] [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195
2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
` (4 preceding siblings ...)
2015-06-01 13:59 ` rguenth at gcc dot gnu.org
@ 2015-06-01 14:00 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-06-01 14:00 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66352
Bug 66352 depends on bug 66340, which changed state.
Bug 66340 Summary: [6 Regression] profiledbootstrap failure on x86-64 with LTO
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66340
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
^ permalink raw reply [flat|nested] 7+ messages in thread
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2015-05-31 12:36 [Bug middle-end/66352] New: [6 Regression] ICE in in dfs_enumerate_from, at cfganal.c:1195 Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:45 ` [Bug middle-end/66352] " Joost.VandeVondele at mat dot ethz.ch
2015-05-31 12:47 ` Joost.VandeVondele at mat dot ethz.ch
2015-06-01 8:17 ` rguenth at gcc dot gnu.org
2015-06-01 13:59 ` rguenth at gcc dot gnu.org
2015-06-01 13:59 ` rguenth at gcc dot gnu.org
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