public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug middle-end/50260] New: internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
@ 2011-09-01  7:22 Joost.VandeVondele at pci dot uzh.ch
  2011-09-01  9:00 ` [Bug middle-end/50260] [4.7 Regression] " rguenth at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-09-01  7:22 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

             Bug #: 50260
           Summary: internal compiler error: Segmentation fault  at
                    ../../gcc/gcc/tree-ssa-live.c:88
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: Joost.VandeVondele@pci.uzh.ch


this started failing in the last 48h or so, with the following stack trace

Program received signal SIGSEGV, Segmentation fault.
var_map_base_init (map=0x16bb070) at ../../gcc/gcc/tree-ssa-live.c:88
88            if (!ann->base_var_processed)
(gdb) bt
#0  var_map_base_init (map=0x16bb070) at ../../gcc/gcc/tree-ssa-live.c:88
#1  0x00000000009dd3f2 in coalesce_ssa_name () at
../../gcc/gcc/tree-ssa-coalesce.c:1397
#2  0x00000000009909a9 in remove_ssa_form (sa=0x14adce0) at
../../gcc/gcc/tree-outof-ssa.c:909
#3  rewrite_out_of_ssa (sa=0x14adce0) at ../../gcc/gcc/tree-outof-ssa.c:1143
#4  0x000000000066173b in gimple_expand_cfg () at
../../gcc/gcc/cfgexpand.c:4152
#5  0x000000000088a3b7 in execute_one_pass (pass=0x149e7e0) at
../../gcc/gcc/passes.c:2063
#6  0x000000000088a725 in execute_pass_list (pass=0x149e7e0) at
../../gcc/gcc/passes.c:2118
#7  0x000000000098e01e in tree_rest_of_compilation (fndecl=0x7ffff5b49300) at
../../gcc/gcc/tree-optimize.c:420
#8  0x00000000006812c6 in cgraph_expand_function (node=0x7ffff7e7fea0) at
../../gcc/gcc/cgraphunit.c:1797
#9  0x000000000068300b in cgraph_expand_all_functions () at
../../gcc/gcc/cgraphunit.c:1856
#10 cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:2126
#11 0x000000000068369a in cgraph_finalize_compilation_unit () at
../../gcc/gcc/cgraphunit.c:1310
#12 0x000000000083e8fd in write_global_declarations () at
../../gcc/gcc/langhooks.c:303
#13 0x000000000092bf22 in compile_file (argc=15, argv=0x7fffffffdb38) at
../../gcc/gcc/toplev.c:564
#14 do_compile (argc=15, argv=0x7fffffffdb38) at ../../gcc/gcc/toplev.c:1886
#15 toplev_main (argc=15, argv=0x7fffffffdb38) at ../../gcc/gcc/toplev.c:1962
#16 0x00007ffff63c5b7d in __libc_start_main () from /lib64/libc.so.6
#17 0x000000000050317d in _start () at ../sysdeps/x86_64/elf/start.S:113


testcase:

MODULE cp_parser_methods
  INTEGER, PARAMETER :: default_string_length=80
  INTEGER, PARAMETER :: default_path_length=250
  TYPE ilist_type
     LOGICAL                              :: in_use
  END TYPE ilist_type
  TYPE cp_parser_type
     CHARACTER(LEN=default_path_length)             :: ifn
     INTEGER                                        :: icol,icol1,icol2
     TYPE(ilist_type), POINTER                      :: ilist
  END TYPE cp_parser_type
  TYPE cp_error_type
  END TYPE cp_error_type
CONTAINS
  FUNCTION cts(i) RESULT(res)
    CHARACTER(len=6)                         :: res
  END FUNCTION cts
  FUNCTION parser_location(parser,error) RESULT(res)
    TYPE(cp_parser_type), POINTER            :: parser
    TYPE(cp_error_type), INTENT(inout)       :: error
    CHARACTER(len=default_path_length+default_string_length)       :: res
    LOGICAL                                  :: failure
    IF (.NOT. failure) THEN
       res="file:'"//TRIM(parser%ifn)//"' line:"//cts(parser%icol)
    END IF
  END FUNCTION parser_location
  SUBROUTINE parser_get_integer(parser,at_end, error)
    TYPE(cp_parser_type), POINTER            :: parser
    TYPE(cp_error_type), INTENT(inout)       :: error
    LOGICAL                                  :: failure, my_at_end
    IF (.NOT.failure) THEN
       IF (.NOT.parser%ilist%in_use) THEN
          CALL cp_assert("A"// TRIM(parser_location(parser,error)))
       END IF
    END IF
  END SUBROUTINE parser_get_integer
  SUBROUTINE parser_get_string(parser,at_end,error)
    TYPE(cp_parser_type), POINTER            :: parser
    LOGICAL, INTENT(out), OPTIONAL           :: at_end
    TYPE(cp_error_type), INTENT(inout)       :: error
    LOGICAL                                  :: failure, my_at_end
    IF (.NOT.failure) THEN
       IF (PRESENT(at_end)) THEN
          CALL cp_assert("s"//TRIM(parser_location(parser,error)))
       END IF
    END IF
  END SUBROUTINE parser_get_string
END MODULE cp_parser_methods

fails at 
gfortran -O3 bug.f90

compiles at
gfortran -O2 bug.f90


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
@ 2011-09-01  9:00 ` rguenth at gcc dot gnu.org
  2011-09-01 19:30 ` hubicka at gcc dot gnu.org
                   ` (5 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-09-01  9:00 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-09-01
                 CC|                            |matz at gcc dot gnu.org
   Target Milestone|---                         |4.7.0
            Summary|internal compiler error:    |[4.7 Regression] internal
                   |Segmentation fault  at      |compiler error:
                   |../../gcc/gcc/tree-ssa-live |Segmentation fault  at
                   |.c:88                       |../../gcc/gcc/tree-ssa-live
                   |                            |.c:88
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-01 08:59:54 UTC ---
Confirmed.  The PARM_DECL never has its var_ann allocated (it's the string
result length).  It's also unused which is why it doesn't have an annotation.

Probably Michas change triggered this.


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
  2011-09-01  9:00 ` [Bug middle-end/50260] [4.7 Regression] " rguenth at gcc dot gnu.org
@ 2011-09-01 19:30 ` hubicka at gcc dot gnu.org
  2011-09-01 20:34 ` pthaugen at gcc dot gnu.org
                   ` (4 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: hubicka at gcc dot gnu.org @ 2011-09-01 19:30 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

Jan Hubicka <hubicka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hubicka at gcc dot gnu.org

--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-09-01 19:30:20 UTC ---
Also reproduces on Mozilla build with C++ code.


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
  2011-09-01  9:00 ` [Bug middle-end/50260] [4.7 Regression] " rguenth at gcc dot gnu.org
  2011-09-01 19:30 ` hubicka at gcc dot gnu.org
@ 2011-09-01 20:34 ` pthaugen at gcc dot gnu.org
  2011-09-02  7:28 ` Joost.VandeVondele at pci dot uzh.ch
                   ` (3 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: pthaugen at gcc dot gnu.org @ 2011-09-01 20:34 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

--- Comment #3 from Pat Haugen <pthaugen at gcc dot gnu.org> 2011-09-01 20:34:00 UTC ---
This also shows up on PowerPC in the 3 cpu2000 benchmarks 178.galgel, 191.fma3d
and 200.sixtrack.


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
                   ` (2 preceding siblings ...)
  2011-09-01 20:34 ` pthaugen at gcc dot gnu.org
@ 2011-09-02  7:28 ` Joost.VandeVondele at pci dot uzh.ch
  2011-09-02  9:32 ` rguenth at gcc dot gnu.org
                   ` (2 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: Joost.VandeVondele at pci dot uzh.ch @ 2011-09-02  7:28 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

--- Comment #4 from Joost VandeVondele <Joost.VandeVondele at pci dot uzh.ch> 2011-09-02 07:27:30 UTC ---
Patch posted at:

http://gcc.gnu.org/ml/gcc-patches/2011-09/msg00052.html


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
                   ` (3 preceding siblings ...)
  2011-09-02  7:28 ` Joost.VandeVondele at pci dot uzh.ch
@ 2011-09-02  9:32 ` rguenth at gcc dot gnu.org
  2011-09-02 18:32 ` matz at gcc dot gnu.org
  2011-09-02 18:43 ` matz at gcc dot gnu.org
  6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-09-02  9:32 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dominiq at lps dot ens.fr

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-02 09:32:07 UTC ---
*** Bug 50265 has been marked as a duplicate of this bug. ***


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
                   ` (4 preceding siblings ...)
  2011-09-02  9:32 ` rguenth at gcc dot gnu.org
@ 2011-09-02 18:32 ` matz at gcc dot gnu.org
  2011-09-02 18:43 ` matz at gcc dot gnu.org
  6 siblings, 0 replies; 8+ messages in thread
From: matz at gcc dot gnu.org @ 2011-09-02 18:32 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

--- Comment #6 from Michael Matz <matz at gcc dot gnu.org> 2011-09-02 18:31:56 UTC ---
Author: matz
Date: Fri Sep  2 18:31:47 2011
New Revision: 178489

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178489
Log:
    PR middle-end/50260
    * ipa-split.c (split_function): Call add_referenced_var.

    * tree-ssa-phiopt.c (cond_store_replacement): Don't call get_var_ann.
    (cond_if_else_store_replacement_1): Ditto.
    * tree-ssa-pre.c (get_representative_for): Ditto.
    (create_expression_by_pieces): Ditto.
    (insert_into_preds_of_block): Ditto.
    * tree-sra.c (create_access_replacement): Ditto.
    (get_replaced_param_substitute): Ditto.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-split.c
    trunk/gcc/tree-sra.c
    trunk/gcc/tree-ssa-phiopt.c
    trunk/gcc/tree-ssa-pre.c


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/50260] [4.7 Regression] internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88
  2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
                   ` (5 preceding siblings ...)
  2011-09-02 18:32 ` matz at gcc dot gnu.org
@ 2011-09-02 18:43 ` matz at gcc dot gnu.org
  6 siblings, 0 replies; 8+ messages in thread
From: matz at gcc dot gnu.org @ 2011-09-02 18:43 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50260

Michael Matz <matz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #7 from Michael Matz <matz at gcc dot gnu.org> 2011-09-02 18:42:24 UTC ---
Fixed.


^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2011-09-02 18:43 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-09-01  7:22 [Bug middle-end/50260] New: internal compiler error: Segmentation fault at ../../gcc/gcc/tree-ssa-live.c:88 Joost.VandeVondele at pci dot uzh.ch
2011-09-01  9:00 ` [Bug middle-end/50260] [4.7 Regression] " rguenth at gcc dot gnu.org
2011-09-01 19:30 ` hubicka at gcc dot gnu.org
2011-09-01 20:34 ` pthaugen at gcc dot gnu.org
2011-09-02  7:28 ` Joost.VandeVondele at pci dot uzh.ch
2011-09-02  9:32 ` rguenth at gcc dot gnu.org
2011-09-02 18:32 ` matz at gcc dot gnu.org
2011-09-02 18:43 ` matz at gcc dot gnu.org

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).