[Bug lto/59441] New: ICE in bitmap_element_allocate

[Bug lto/59441] New: ICE in bitmap_element_allocate

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

            Bug ID: 59441
           Summary: ICE in bitmap_element_allocate
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mpolacek at gcc dot gnu.org

On

template < typename T > struct A
{
  T foo ();
};
template < typename T > struct C: virtual public A < T >
{
  C & operator<< (C & (C &));
};
template < typename T >
C < T > &endl (C < int > &c)
{
  c.foo ();
  return c;
}
C < int > cout;
void
fn ()
{
  cout << endl;
}

we ICE:

$ ./cc1plus -quiet -fvtable-verify=std w.C -flto -O
w.C: In function ‘_GLOBAL__sub_I.00099_cout’:
w.C:20:1: internal compiler error: Segmentation fault
 }
 ^
0xb6393f crash_signal
    /home/marek/src/gcc/gcc/toplev.c:336
0x7d95c4 bitmap_element_allocate
    /home/marek/src/gcc/gcc/bitmap.c:224
0x7d95c4 bitmap_set_bit(bitmap_head_def*, int)
    /home/marek/src/gcc/gcc/bitmap.c:669
0xd118f3 verify_ssa(bool)
    /home/marek/src/gcc/gcc/tree-ssa.c:1075
0xab73ce execute_function_todo
    /home/marek/src/gcc/gcc/passes.c:1842
0xab7d93 execute_todo
    /home/marek/src/gcc/gcc/passes.c:1875
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Target: x86_64-unknown-linux-gnu
Configured with: --disable-bootstrap --enable-languages=c,c++,lto
--enable-checking=yes
gcc version 4.9.0 20131209 (experimental) (GCC)
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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/59441] ICE in bitmap_element_allocate
Date: Mon, 09 Dec 2013 23:32:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idY441

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.9.0

[Bug lto/59441] ICE in bitmap_element_allocate

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Reminder: after fixing this one, make pr59437.C run with -flto again.

[Bug lto/59441] ICE in bitmap_element_allocate

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
ICEs for me at

> ./xg++ -B. -shared t.C -fPIC -nostdlib -flto -O -fvtable-verify=std 
t.C: In function '_GLOBAL__sub_I.00099_t.C':
t.C:20:1: internal compiler error: in pool_free, at alloc-pool.c:347
 }
 ^
0x91e6b3 pool_free(alloc_pool_def*, void*)
    /space/rguenther/src/svn/trunk/gcc/alloc-pool.c:343
0xa5bb69 et_free_tree_force
    /space/rguenther/src/svn/trunk/gcc/et-forest.c:508
0x9fa721 free_dominance_info(cdi_direction)
    /space/rguenther/src/svn/trunk/gcc/dominance.c:694
0xfe387b verify_ssa(bool)

instead.  Must be a memory corruption, valgrind is very noisy, first error:

==1198== Invalid write of size 8
==1198==    at 0x91F22C: bitmap_initialize_stat(bitmap_head*, bitmap_obstack*)
(bitmap.h:277)
==1198==    by 0x91FDBC: bitmap_obstack_alloc_stat(bitmap_obstack*)
(bitmap.c:376)
==1198==    by 0xE5AC4A:
mark_def_dom_walker::mark_def_dom_walker(cdi_direction) (tree-into-ssa.c:2234)
==1198==    by 0xE5AF18: rewrite_into_ssa() (tree-into-ssa.c:2331)
==1198==    by 0xE5B208: (anonymous namespace)::pass_build_ssa::execute()
(tree-into-ssa.c:2403)
==1198==    by 0xCE0617: execute_one_pass(opt_pass*) (passes.c:2213)
==1198==    by 0xCE082E: execute_pass_list(opt_pass*) (passes.c:2266)
==1198==    by 0xCD4C56: gcc::pass_manager::execute_early_local_passes()
(passes.c:135)
==1198==    by 0x9B11D1: cgraph_process_new_functions() (cgraphunit.c:338)
==1198==    by 0x88DC53: vtv_generate_init_routine()
(vtable-class-hierarchy.c:1191)
==1198==    by 0x737B06: cp_write_global_declarations() (decl2.c:4440)
==1198==    by 0xDD0D7F: compile_file() (toplev.c:561)

[Bug lto/59441] ICE in bitmap_element_allocate

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-03-17
     Ever confirmed|0                           |1

[Bug lto/59441] ICE in bitmap_element_allocate

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.9.0                       |4.9.1

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.9.0 has been released

[Bug lto/59441] ICE in bitmap_element_allocate

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.9.1                       |4.9.2

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.9.1 has been released.

[Bug lto/59441] ICE in bitmap_element_allocate

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.9.2                       |4.9.3

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.9.2 has been released.

[Bug lto/59441] ICE in bitmap_element_allocate

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.9.3 has been released.

[Bug lto/59441] ICE in bitmap_element_allocate

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.9.3                       |4.9.4

[Bug lto/59441] ICE in bitmap_element_allocate

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59441

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.9.4                       |---

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Has the patch been applied?