[Bug c++/46364] New: basic_string.h:541:32: internal compiler error: Segmentation fault

[Bug c++/46364] New: basic_string.h:541:32: internal compiler error: Segmentation fault

[kirill at shutemov dot name]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

           Summary: basic_string.h:541:32: internal compiler error:
                    Segmentation fault
           Product: gcc
           Version: 4.5.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: kirill@shutemov.name


Created attachment 22322
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22322
preprocessed source

$ cat test.cc
#include <string>

void a() throw (int);
void b(std::string const &);

void c(std::string *e)
{
        b("");

        try {
                a();
        } catch (...) {
                *e = "";
        }
}

void d() {
        c(0);
}
$ g++ -c -O3 test.cc 
In file included from
/usr/lib/gcc/i586-alt-linux/4.5.1/../../../../include/c++/4.5.1/string:53:0,
                 from test.cc:1:
/usr/lib/gcc/i586-alt-linux/4.5.1/../../../../include/c++/4.5.1/bits/basic_string.h:
In function ‘void c(std::string*)’:
/usr/lib/gcc/i586-alt-linux/4.5.1/../../../../include/c++/4.5.1/bits/basic_string.h:541:32:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugzilla.altlinux.org> for instructions.
Preprocessed source stored into /tmp/.private/kas/cc9BCz1h.out file, please
attach this to your bugreport.

[Bug c++/46364] basic_string.h:541:32: internal compiler error: Segmentation fault

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.11.08 17:22:28
                 CC|                            |hubicka at gcc dot gnu.org
   Target Milestone|---                         |4.5.2
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-08 17:22:28 UTC ---
It is caused by revision 154200:

http://gcc.gnu.org/ml/gcc-cvs/2009-11/msg00421.html

and fixed on trunk by revision 160019:

http://gcc.gnu.org/ml/gcc-cvs/2010-05/msg01078.html

[Bug c++/46364] [4.5 Regression] basic_string.h:541:32: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2

[Bug c++/46364] [4.5 Regression] basic_string.h:541:32: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.5.2                       |4.5.3

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-16 13:03:18 UTC ---
GCC 4.5.2 is being released, adjusting target milestone.

[Bug c++/46364] [4.5 Regression] basic_string.h:541:32: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-18 14:22:42 UTC ---
Author: rguenth
Date: Mon Apr 18 14:22:35 2011
New Revision: 172649

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172649
Log:
2011-04-18  Richard Guenther  <rguenther@suse.de>

    PR middle-end/46364
    * g++.dg/torture/pr46364.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr46364.C
Modified:
    trunk/gcc/testsuite/ChangeLog

[Bug c++/46364] [4.5 Regression] basic_string.h:541:32: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-18 14:26:04 UTC ---
Author: rguenth
Date: Mon Apr 18 14:25:57 2011
New Revision: 172650

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172650
Log:
2011-04-18  Richard Guenther  <rguenther@suse.de>

    PR middle-end/46364
    * g++.dg/torture/pr46364.C: New testcase.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/torture/pr46364.C
Modified:
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog

[Bug c++/46364] [4.5 Regression] basic_string.h:541:32: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-18 15:25:24 UTC ---
Author: rguenth
Date: Mon Apr 18 15:25:17 2011
New Revision: 172653

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172653
Log:
2011-04-18  Richard Guenther  <rguenther@suse.de>

    Backported from 4.6 branch
    2011-01-19  Jakub Jelinek  <jakub@redhat.com>

    PR tree-optimization/47290
    * tree-eh.c (infinite_empty_loop_p): New function.
    (cleanup_empty_eh): Use it.

    * g++.dg/torture/pr47290.C: New test.

    2010-05-29  Jan Hubicka  <jh@suse.cz>

    PR tree-optimization/46364
    * cgraphunit.c (cgraph_materialize_clone): Only remove calles, refs
    and body;
    not the whole node for masters of materialized clones.

    * g++.dg/torture/pr46364.C: New testcase.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/g++.dg/torture/pr46364.C
    branches/gcc-4_5-branch/gcc/testsuite/g++.dg/torture/pr47290.C
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/cgraphunit.c
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/tree-eh.c

[Bug c++/46364] [4.5 Regression] basic_string.h:541:32: internal compiler error: Segmentation fault

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46364

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

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

--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-18 15:26:15 UTC ---
Fixed.