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* [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute
@ 2014-05-22 9:18 ro at gcc dot gnu.org
2014-05-22 9:19 ` [Bug ipa/61283] " ro at gcc dot gnu.org
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: ro at gcc dot gnu.org @ 2014-05-22 9:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Bug ID: 61283
Summary: [4.10 regression] SEGV in pass_ipa_comdats::execute
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
Host: i386-pc-solaris2.11
Target: i386-pc-solaris2.11
Build: i386-pc-solaris2.11
As of r210682, there are a couple of testsuite regressions on Solaris 11/x86
with
gas and ld, both 32 and 64-bit:
FAIL: g++.dg/torture/pr46367.C -O1 (internal compiler error)
FAIL: g++.dg/torture/pr46367.C -O1 (test for excess errors)
FAIL: g++.dg/torture/pr46367.C -Os (internal compiler error)
FAIL: g++.dg/torture/pr46367.C -Os (test for excess errors)
$ cc1plus -fpreprocessed pr46367.ii -quiet -O1 -o pr46367.s
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/torture/pr46367.C:11:4:
internal compiler error: Segmentation Fault
S s;
^
0x88b844c crash_signal
/vol/gcc/src/hg/trunk/local/gcc/toplev.c:337
0x8de329a ipa_comdats
/vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:320
0x8de329a execute
/vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:371
Under gdb, I find
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1 (LWP 1)]
ipa_comdats () at /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:320
320 tree group = *map.contains (symbol);
(gdb) where
#0 ipa_comdats () at /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:320
#1 (anonymous namespace)::pass_ipa_comdats::execute (this=0x95a8500)
at /vol/gcc/src/hg/trunk/local/gcc/ipa-comdats.c:371
#2 0x088007d8 in execute_one_pass (pass=0x95a8500)
at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2180
#3 0x08801251 in execute_ipa_pass_list (pass=0x95a8500)
at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2571
#4 0x0857a19f in ipa_passes ()
at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2093
#5 compile () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2183
#6 0x0857ab9b in finalize_compilation_unit ()
at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2338
#7 0x08370eeb in cp_write_global_declarations ()
at /vol/gcc/src/hg/trunk/local/gcc/cp/decl2.c:4625
#8 0x088b8505 in compile_file ()
at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:562
#9 0x088ba56b in do_compile ()
at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:1915
#10 toplev_main (argc=7, argv=0xfeffe4cc)
at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:1991
#11 0x090750ab in main (argc=7, argv=0xfeffe4cc)
at /vol/gcc/src/hg/trunk/local/gcc/main.c:36
Rainer
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [4.10 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
@ 2014-05-22 9:19 ` ro at gcc dot gnu.org
2014-06-06 23:05 ` hp at gcc dot gnu.org
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: ro at gcc dot gnu.org @ 2014-05-22 9:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.10.0
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [4.10 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
2014-05-22 9:19 ` [Bug ipa/61283] " ro at gcc dot gnu.org
@ 2014-06-06 23:05 ` hp at gcc dot gnu.org
2014-06-09 9:05 ` hubicka at gcc dot gnu.org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: hp at gcc dot gnu.org @ 2014-06-06 23:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Hans-Peter Nilsson <hp at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hp at gcc dot gnu.org
--- Comment #1 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
Also seen for mmix-knuth-mmixware at r211121, worked at r210000, host
x86_64-linux.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [4.10 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
2014-05-22 9:19 ` [Bug ipa/61283] " ro at gcc dot gnu.org
2014-06-06 23:05 ` hp at gcc dot gnu.org
@ 2014-06-09 9:05 ` hubicka at gcc dot gnu.org
2014-09-19 22:38 ` [Bug ipa/61283] [5 " hubicka at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: hubicka at gcc dot gnu.org @ 2014-06-09 9:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2014-06-09
Assignee|unassigned at gcc dot gnu.org |hubicka at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Mine,
seems like the symbol is not removed for reason not seen by the dataflow.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (2 preceding siblings ...)
2014-06-09 9:05 ` hubicka at gcc dot gnu.org
@ 2014-09-19 22:38 ` hubicka at gcc dot gnu.org
2014-09-21 8:50 ` hp at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: hubicka at gcc dot gnu.org @ 2014-09-19 22:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |WAITING
--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Does this still reproduce?
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (3 preceding siblings ...)
2014-09-19 22:38 ` [Bug ipa/61283] [5 " hubicka at gcc dot gnu.org
@ 2014-09-21 8:50 ` hp at gcc dot gnu.org
2014-09-21 8:51 ` hp at gcc dot gnu.org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: hp at gcc dot gnu.org @ 2014-09-21 8:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
--- Comment #4 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #3)
> Does this still reproduce?
It still does at least for MMIX as described, at r215419.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (4 preceding siblings ...)
2014-09-21 8:50 ` hp at gcc dot gnu.org
@ 2014-09-21 8:51 ` hp at gcc dot gnu.org
2014-09-26 12:38 ` ro at CeBiTec dot Uni-Bielefeld.DE
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: hp at gcc dot gnu.org @ 2014-09-21 8:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Hans-Peter Nilsson <hp at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |ASSIGNED
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (5 preceding siblings ...)
2014-09-21 8:51 ` hp at gcc dot gnu.org
@ 2014-09-26 12:38 ` ro at CeBiTec dot Uni-Bielefeld.DE
2014-11-19 13:37 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: ro at CeBiTec dot Uni-Bielefeld.DE @ 2014-09-26 12:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
--- Comment #5 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
> Does this still reproduce?
It does on i386-pc-solaris2.11 as of 20140924 (r215597).
Rainer
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (6 preceding siblings ...)
2014-09-26 12:38 ` ro at CeBiTec dot Uni-Bielefeld.DE
@ 2014-11-19 13:37 ` rguenth at gcc dot gnu.org
2014-12-15 6:39 ` hubicka at gcc dot gnu.org
2014-12-15 9:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-11-19 13:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (7 preceding siblings ...)
2014-11-19 13:37 ` rguenth at gcc dot gnu.org
@ 2014-12-15 6:39 ` hubicka at gcc dot gnu.org
2014-12-15 9:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
9 siblings, 0 replies; 11+ messages in thread
From: hubicka at gcc dot gnu.org @ 2014-12-15 6:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #6 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
The i386 testcase works for me now. It has static ctor that becomes pure so it
ought to be duplicate of PR61324
*** This bug has been marked as a duplicate of bug 61324 ***
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug ipa/61283] [5 regression] SEGV in pass_ipa_comdats::execute
2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
` (8 preceding siblings ...)
2014-12-15 6:39 ` hubicka at gcc dot gnu.org
@ 2014-12-15 9:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
9 siblings, 0 replies; 11+ messages in thread
From: ro at CeBiTec dot Uni-Bielefeld.DE @ 2014-12-15 9:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61283
--- Comment #7 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #6 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
> The i386 testcase works for me now. It has static ctor that becomes pure so it
> ought to be duplicate of PR61324
Right: the testcase started to pass for me within the last week.
Thanks.
Rainer
^ permalink raw reply [flat|nested] 11+ messages in thread
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2014-05-22 9:18 [Bug ipa/61283] New: [4.10 regression] SEGV in pass_ipa_comdats::execute ro at gcc dot gnu.org
2014-05-22 9:19 ` [Bug ipa/61283] " ro at gcc dot gnu.org
2014-06-06 23:05 ` hp at gcc dot gnu.org
2014-06-09 9:05 ` hubicka at gcc dot gnu.org
2014-09-19 22:38 ` [Bug ipa/61283] [5 " hubicka at gcc dot gnu.org
2014-09-21 8:50 ` hp at gcc dot gnu.org
2014-09-21 8:51 ` hp at gcc dot gnu.org
2014-09-26 12:38 ` ro at CeBiTec dot Uni-Bielefeld.DE
2014-11-19 13:37 ` rguenth at gcc dot gnu.org
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