[Bug c/41470] New: -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[Bug c/41470] New: -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[jan dot kratochvil at redhat dot com]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 861 bytes --]

void *
af (void *a)
{
  return a;
}
void
bf (void)
{
  void *p;
  {
    int i = 1;
    char v[i];
    p = af (v);
  }
  cf (p);
}

.../xgcc (-B...) -fexceptions -c -o 1.o 1.c 
1.c: In function ‘bf’:
1.c:7:1: internal compiler error: in partition_view_bitmap, at
tree-ssa-live.c:331

xgcc (GCC) 4.5.0 20090925 (experimental)

Expecting it is a duplicate of similar Bug 41469.


-- 
           Summary: -fexceptions ICE in partition_view_bitmap, at tree-ssa-
                    live.c:331
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jan dot kratochvil at redhat dot com
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470

[Bug middle-end/41470] [4.5 Regression] -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[rguenth at gcc dot gnu dot org]

------- Comment #1 from rguenth at gcc dot gnu dot org  2009-09-25 15:04 -------
Confirmed.  Similar to PR40758 - out-of-SSA with optimize == 0 does not expect
overlapping life-ranges of SSA names.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|c                           |middle-end
     Ever Confirmed|0                           |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2009-09-25 15:04:20
               date|                            |
            Summary|-fexceptions ICE in         |[4.5 Regression] -
                   |partition_view_bitmap, at   |fexceptions ICE in
                   |tree-ssa-live.c:331         |partition_view_bitmap, at
                   |                            |tree-ssa-live.c:331
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470

[Bug middle-end/41470] [4.5 Regression] -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2009-09-25 15:09 -------
We go to the ICE of PR41469 with

Index: tree-ssa-coalesce.c
===================================================================
--- tree-ssa-coalesce.c (revision 152166)
+++ tree-ssa-coalesce.c (working copy)
@@ -1377,7 +1377,10 @@ coalesce_ssa_name (void)
        {
          tree a = ssa_name (i);

-         if (a && SSA_NAME_VAR (a) && !DECL_ARTIFICIAL (SSA_NAME_VAR (a)))
+         if (a
+             && !has_zero_uses (a)
+             && SSA_NAME_VAR (a)
+             && !DECL_ARTIFICIAL (SSA_NAME_VAR (a)))
            {
              tree *slot = (tree *) htab_find_slot (ssa_name_hash, a, INSERT);



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470

[Bug middle-end/41470] [4.5 Regression] -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[matz at gcc dot gnu dot org]

------- Comment #3 from matz at gcc dot gnu dot org  2009-09-26 16:47 -------
Subject: Bug 41470

Author: matz
Date: Sat Sep 26 16:46:43 2009
New Revision: 152203

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152203
Log:
        PR lto/40758
        PR middle-end/41470
        * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
        that are mentioned in the body.

testsuite/
        * gcc.dg/pr41470.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr41470.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-coalesce.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470

[Bug middle-end/41470] [4.5 Regression] -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[matz at gcc dot gnu dot org]

-- 

matz at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |matz at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2009-09-25 15:04:20         |2009-09-26 16:49:41
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470

[Bug middle-end/41470] [4.5 Regression] -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[matz at gcc dot gnu dot org]

------- Comment #4 from matz at gcc dot gnu dot org  2009-09-26 16:50 -------
Fixed.


-- 

matz at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470

[Bug middle-end/41470] [4.5 Regression] -fexceptions ICE in partition_view_bitmap, at tree-ssa-live.c:331

[hjl at gcc dot gnu dot org]

------- Comment #5 from hjl at gcc dot gnu dot org  2009-09-28 20:39 -------
Subject: Bug 41470

Author: hjl
Date: Mon Sep 28 20:38:53 2009
New Revision: 152250

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152250
Log:
2009-09-28  H.J. Lu  <hongjiu.lu@intel.com>

        Backport from mainline:
        2009-09-26  Andreas Schwab  <schwab@linux-m68k.org>

        PR c/41476
        * gcc.dg/cond-constqual-1.c: New test.

        2009-09-26  Michael Matz  <matz@suse.de>

        PR lto/40758
        PR middle-end/41470
        * gcc.dg/pr41470.c: New test.

        2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41248
        * gcc.dg/pr41248.c: New.

        2009-09-22  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41295
        * gcc.dg/pr41295.c: New.

        2009-09-20  Andrew Pinski  <pinskia@gcc.gnu.org>

        PR middle-end/40642
        * g++.dg/torture/pr40642.C: New testcase.

        2009-09-17  Michael Matz  <matz@suse.de>

        PR middle-end/41347
        * gfortran.dg/pr41347.f90: New test.

        2009-09-16  Michael Matz  <matz@suse.de>

        PR fortran/41212
        * gfortran.dg/pr41212.f90: New test.

        2009-09-11  Michael Matz  <matz@suse.de>

        PR middle-end/41275
        * g++.dg/tree-ssa/pr41275.C: New test.

        2009-09-11  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/41242
        * gfortran.dg/proc_ptr_comp_21.f90: New.

Added:
    branches/gcc-4_4-branch/gcc/testsuite/g++.dg/torture/pr40642.C
      - copied unchanged from r152249,
trunk/gcc/testsuite/g++.dg/torture/pr40642.C
    branches/gcc-4_4-branch/gcc/testsuite/g++.dg/tree-ssa/pr41275.C
      - copied unchanged from r152249,
trunk/gcc/testsuite/g++.dg/tree-ssa/pr41275.C
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/cond-constqual-1.c
      - copied unchanged from r152248,
trunk/gcc/testsuite/gcc.dg/cond-constqual-1.c
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr41248.c
      - copied unchanged from r152248, trunk/gcc/testsuite/gcc.dg/pr41248.c
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr41295.c
      - copied unchanged from r152249, trunk/gcc/testsuite/gcc.dg/pr41295.c
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr41470.c
      - copied unchanged from r152248, trunk/gcc/testsuite/gcc.dg/pr41470.c
    branches/gcc-4_4-branch/gcc/testsuite/gfortran.dg/pr41212.f90
      - copied unchanged from r152249,
trunk/gcc/testsuite/gfortran.dg/pr41212.f90
    branches/gcc-4_4-branch/gcc/testsuite/gfortran.dg/pr41347.f90
      - copied unchanged from r152249,
trunk/gcc/testsuite/gfortran.dg/pr41347.f90
    branches/gcc-4_4-branch/gcc/testsuite/gfortran.dg/proc_ptr_comp_21.f90
      - copied unchanged from r152249,
trunk/gcc/testsuite/gfortran.dg/proc_ptr_comp_21.f90
Modified:
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41470