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* [Bug fortran/94813] New: [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression
@ 2020-04-28 7:40 tschwinge at gcc dot gnu.org
2020-04-28 7:42 ` [Bug fortran/94813] " tschwinge at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: tschwinge at gcc dot gnu.org @ 2020-04-28 7:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94813
Bug ID: 94813
Summary: [10 regression] 'libgomp.fortran/use_device_ptr-1.f90'
offloading execution test regression
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: openmp
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: tschwinge at gcc dot gnu.org
CC: burnus at gcc dot gnu.org, jakub at gcc dot gnu.org,
tkoenig at gcc dot gnu.org
Target Milestone: ---
The recent commit 06eca1acafa27e19e82dc73927394a7a4d0bdbc5 "Fix PR 93956, wrong
pointer when returned via function" regresses in offloading configurations (at
least gcn, nvptx):
PASS: libgomp.fortran/use_device_ptr-1.f90 -O0 (test for excess errors)
[-PASS:-]{+FAIL:+} libgomp.fortran/use_device_ptr-1.f90 -O0 execution
test
... for all torture testing variants.
Program received signal SIGSEGV, Segmentation fault.
0x0000000000409976 in omp_device_ptr () at
source-gcc/libgomp/testsuite/libgomp.fortran/use_device_ptr-1.f90:508
508 call copy3_array1(AptrA, BptrB)
(gdb) bt
#0 0x0000000000409976 in omp_device_ptr () at
source-gcc/libgomp/testsuite/libgomp.fortran/use_device_ptr-1.f90:508
#1 0x000000000040b564 in main (argc=1, argv=0x7fffffffd971) at
source-gcc/libgomp/testsuite/libgomp.fortran/use_device_ptr-1.f90:423
#2 0x00007ffff70f5b97 in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#3 0x0000000000400c6a in _start ()
No regression seen for host-fallback execution.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug fortran/94813] [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression
2020-04-28 7:40 [Bug fortran/94813] New: [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression tschwinge at gcc dot gnu.org
@ 2020-04-28 7:42 ` tschwinge at gcc dot gnu.org
2020-04-28 7:53 ` rguenth at gcc dot gnu.org
2020-04-28 8:02 ` burnus at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: tschwinge at gcc dot gnu.org @ 2020-04-28 7:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94813
Thomas Schwinge <tschwinge at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2020-04-28
Status|UNCONFIRMED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |burnus at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Thomas Schwinge <tschwinge at gcc dot gnu.org> ---
Tobias, please have a look.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug fortran/94813] [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression
2020-04-28 7:40 [Bug fortran/94813] New: [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression tschwinge at gcc dot gnu.org
2020-04-28 7:42 ` [Bug fortran/94813] " tschwinge at gcc dot gnu.org
@ 2020-04-28 7:53 ` rguenth at gcc dot gnu.org
2020-04-28 8:02 ` burnus at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-04-28 7:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94813
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |10.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug fortran/94813] [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression
2020-04-28 7:40 [Bug fortran/94813] New: [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression tschwinge at gcc dot gnu.org
2020-04-28 7:42 ` [Bug fortran/94813] " tschwinge at gcc dot gnu.org
2020-04-28 7:53 ` rguenth at gcc dot gnu.org
@ 2020-04-28 8:02 ` burnus at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: burnus at gcc dot gnu.org @ 2020-04-28 8:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94813
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> ---
(In reply to Thomas Schwinge from comment #1)
> Tobias, please have a look.
That's not that difficult – as Thomas K has written shortly before you filled
this PR: https://gcc.gnu.org/pipermail/fortran/2020-April/054270.html
"... and also caused a regression, see PR 94788.
Reverted on trunk so far, so the upcoming release is OK.
This will still take some more work, I suppose..."
And:
commit r10-8001-gd8df7c404e233abb1e26d8b8370c460732904531
Author: Thomas Koenig <tkoenig@gcc.gnu.org>
Date: Mon Apr 27 23:49:36 2020 +0200
Revert r10-7920-g06eca1acafa27e19e82dc73927394a7a4d0bdbc5 .
Hence: Duplicate of PR 94788
*** This bug has been marked as a duplicate of bug 94788 ***
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-04-28 7:40 [Bug fortran/94813] New: [10 regression] 'libgomp.fortran/use_device_ptr-1.f90' offloading execution test regression tschwinge at gcc dot gnu.org
2020-04-28 7:42 ` [Bug fortran/94813] " tschwinge at gcc dot gnu.org
2020-04-28 7:53 ` rguenth at gcc dot gnu.org
2020-04-28 8:02 ` burnus at gcc dot gnu.org
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