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* [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
@ 2015-07-13 16:14 ktkachov at gcc dot gnu.org
2015-07-13 16:18 ` [Bug fortran/66860] [5/6 Regression] FAIL: " ktkachov at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: ktkachov at gcc dot gnu.org @ 2015-07-13 16:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860
Bug ID: 66860
Summary: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal
compiler error)
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: ktkachov at gcc dot gnu.org
Target Milestone: ---
Target: aarch64-none-linux-gnu, arm-none-linux-gnueabihf
This testcase takes a long time to compile and eventually ICEs
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
2015-07-13 16:14 [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error) ktkachov at gcc dot gnu.org
@ 2015-07-13 16:18 ` ktkachov at gcc dot gnu.org
2015-07-13 17:06 ` schwab@linux-m68k.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: ktkachov at gcc dot gnu.org @ 2015-07-13 16:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.9.4
Summary|]FAIL: |[5/6 Regression] FAIL:
|gfortran.dg/graphite/pr4239 |gfortran.dg/graphite/pr4239
|3.f90 -O (internal compiler |3.f90 -O (internal compiler
|error) |error)
Known to fail| |5.1.0, 6.0
--- Comment #1 from ktkachov at gcc dot gnu.org ---
The top of the gdb backtrace looks like this:
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff759dc90 in __GI___libc_malloc (bytes=8) at malloc.c:2924
2924 malloc.c: No such file or directory.
(gdb) bt
#0 0x00007ffff759dc90 in __GI___libc_malloc (bytes=8) at malloc.c:2924
#1 0x000000000123bad9 in __gmp_default_allocate ()
#2 0x0000000001221695 in __gmpz_init ()
#3 0x00000000011add83 in isl_seq_elim ()
#4 0x000000000116abc3 in eliminate_var_using_equality ()
#5 0x000000000116cc11 in isl_basic_map_gauss ()
#6 0x000000000116d6f9 in isl_basic_map_simplify ()
#7 0x00000000011545f0 in isl_basic_map_intersect ()
#8 0x00000000011281f5 in domain_follows_at_depth ()
#9 0x00000000011bf889 in isl_tarjan_components ()
#10 0x00000000011bfaf0 in isl_tarjan_graph_init ()
#11 0x00000000011a5576 in isl_basic_set_list_foreach_scc ()
#12 0x000000000112a349 in generate_sorted_domains ()
#13 0x000000000112b804 in add_nodes ()
#14 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
#15 0x000000000112a349 in generate_sorted_domains ()
#16 0x000000000112b804 in add_nodes ()
#17 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
#18 0x000000000112a349 in generate_sorted_domains ()
#19 0x000000000112b804 in add_nodes ()
#20 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
#21 0x000000000112a349 in generate_sorted_domains ()
#22 0x000000000112b804 in add_nodes ()
#23 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
#24 0x000000000112a349 in generate_sorted_domains ()
#25 0x000000000112b804 in add_nodes ()
#26 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
#27 0x000000000112a349 in generate_sorted_domains ()
#28 0x000000000112b804 in add_nodes ()
#29 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
#30 0x000000000112a349 in generate_sorted_domains ()
#31 0x000000000112b804 in add_nodes ()
#32 0x00000000011a57c1 in isl_basic_set_list_foreach_scc ()
So it seems to be trying to allocate too much memory.
This compiles fine on the 4.9 branch
The options used are -O2 -fgraphite-identity -fno-loop-block
-fno-loop-interchange -fno-loop-strip-mine
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
2015-07-13 16:14 [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error) ktkachov at gcc dot gnu.org
2015-07-13 16:18 ` [Bug fortran/66860] [5/6 Regression] FAIL: " ktkachov at gcc dot gnu.org
@ 2015-07-13 17:06 ` schwab@linux-m68k.org
2015-07-14 8:18 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: schwab@linux-m68k.org @ 2015-07-13 17:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860
--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Stack overflow?
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
2015-07-13 16:14 [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error) ktkachov at gcc dot gnu.org
2015-07-13 16:18 ` [Bug fortran/66860] [5/6 Regression] FAIL: " ktkachov at gcc dot gnu.org
2015-07-13 17:06 ` schwab@linux-m68k.org
@ 2015-07-14 8:18 ` rguenth at gcc dot gnu.org
2015-07-29 8:06 ` ramana at gcc dot gnu.org
2015-10-09 15:52 ` spop at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-07-14 8:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |5.2
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
2015-07-13 16:14 [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error) ktkachov at gcc dot gnu.org
` (2 preceding siblings ...)
2015-07-14 8:18 ` rguenth at gcc dot gnu.org
@ 2015-07-29 8:06 ` ramana at gcc dot gnu.org
2015-10-09 15:52 ` spop at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: ramana at gcc dot gnu.org @ 2015-07-29 8:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |compile-time-hog
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-07-29
CC| |ramana at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #4 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
compile time hog ?
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug fortran/66860] [5/6 Regression] FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error)
2015-07-13 16:14 [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error) ktkachov at gcc dot gnu.org
` (3 preceding siblings ...)
2015-07-29 8:06 ` ramana at gcc dot gnu.org
@ 2015-10-09 15:52 ` spop at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: spop at gcc dot gnu.org @ 2015-10-09 15:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66860
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |spop at gcc dot gnu.org
Resolution|--- |FIXED
--- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> ---
Fixed in trunk with a recent ISL-0.15 that supports compute out.
$ time gfortran -O2 -fgraphite-identity pr42393.f90
real 0m1.737s
^ permalink raw reply [flat|nested] 6+ messages in thread
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2015-07-13 16:14 [Bug fortran/66860] New: ]FAIL: gfortran.dg/graphite/pr42393.f90 -O (internal compiler error) ktkachov at gcc dot gnu.org
2015-07-13 16:18 ` [Bug fortran/66860] [5/6 Regression] FAIL: " ktkachov at gcc dot gnu.org
2015-07-13 17:06 ` schwab@linux-m68k.org
2015-07-14 8:18 ` rguenth at gcc dot gnu.org
2015-07-29 8:06 ` ramana at gcc dot gnu.org
2015-10-09 15:52 ` spop at gcc dot gnu.org
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