[Bug middle-end/45566] New: [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[Bug middle-end/45566] New: [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[zsojka at seznam dot cz]

Command line:
$ CC=g++
$ FLAGS="-O1 -freorder-blocks-and-partition -fnon-call-exceptions"
$ $CC $FLAGS testcase.C -fprofile-generate
$ rm *.gcda
$ ./a.out
$ $CC $FLAGS testcase.C -fprofile-use
testcase.C: In function 'int main()':
testcase.C:14:1: internal compiler error: in convert_to_eh_region_ranges, at
except.c:2446
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r163921 - crash
r153685 - crash
4.5 r163761 - crash
4.4 r160770 - warns

The 4.4 warning looks like:
cc1plus: note: -freorder-blocks-and-partition does not work with exceptions


-- 
           Summary: [4.5/4.6 Regression] ICE: in
                    convert_to_eh_region_ranges, at except.c:2446 with -
                    freorder-blocks-and-partition -fnon-call-exceptions -
                    fprofile-use
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[zsojka at seznam dot cz]

------- Comment #1 from zsojka at seznam dot cz  2010-09-06 22:13 -------
Created an attachment (id=21718)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21718&action=view)
reduced testcase (from g++.dg/tree-prof/partition1.C)

It looks similiar to PR45458, but the fix didn't fix this issue.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

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 13:03:26 UTC ---
GCC 4.5.2 is being released, adjusting target milestone.

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.01.08 15:37:08
                 CC|                            |hubicka at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-01-08 15:37:08 UTC ---
confirmed.

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-21 12:58:48 UTC ---
Created attachment 23061
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23061
gcc46-pr45566.patch

Untested fix.

[Bug middle-end/45566] [4.5/4.6 Regression] ICE: in convert_to_eh_region_ranges, at except.c:2446 with -freorder-blocks-and-partition -fnon-call-exceptions -fprofile-use

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45566

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-21 19:35:45 UTC ---
Author: jakub
Date: Fri Jan 21 19:35:42 2011
New Revision: 169101

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169101
Log:
    PR middle-end/45566
    * except.c (convert_to_eh_region_ranges): Emit queued no-region
    notes from other section in hot/cold partitioning even if
    last_action is -3.  Increment call_site_base.

    * g++.dg/tree-prof/partition3.C: New test.

    * g++.dg/tree-prof/tree-prof.exp: Fix a comment.

Added:
    trunk/gcc/testsuite/g++.dg/tree-prof/partition3.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/except.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/tree-prof/tree-prof.exp