[Bug tree-optimization/38356] New: ICE with -ftree-parallelize-loops

[Bug tree-optimization/38356] New: ICE with -ftree-parallelize-loops

[debian-gcc at lists dot debian dot org]

[forwarded from http://bugs.debian.org/487776]

seen with 4.3 branch 20081129, fixed on the trunk, omitting
-ftree-parallelize-loops=2 lets the compile succeed.

  Matthias

g++ -g -O3 -ffast-math -fomit-frame-pointer -ftree-parallelize-loops=2 -c -o
dcraw.o dcraw.ii g++: Internal error: Segmentation fault (program cc1plus)
Please submit a full bug report.
See <file:///usr/share/doc/gcc-4.3/README.Bugs> for instructions.


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           Summary: ICE with -ftree-parallelize-loops
           Product: gcc
           Version: 4.3.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: debian-gcc at lists dot debian dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38356

[Bug tree-optimization/38356] ICE with -ftree-parallelize-loops

[debian-gcc at lists dot debian dot org]

------- Comment #1 from debian-gcc at lists dot debian dot org  2008-12-01 23:42 -------
Created an attachment (id=16805)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16805&action=view)
preprocessed source


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38356

[Bug tree-optimization/38356] ICE with -ftree-parallelize-loops

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2008-12-24 01:08 -------
Backtrace:
#0  0x0014452c in loop_preheader_edge (loop=0x6680f90) at
/Users/apinski/src/gcc-sony/gcc-4.3/gcc/gcc/basic-block.h:673
#1  0x0039d473 in move_computations_stmt (dw_data=0xbffff280, bb=0x90f8280) at
/Users/apinski/src/gcc-sony/gcc-4.3/gcc/gcc/tree-ssa-loop-im.c:879
#2  0x0057ae9c in walk_dominator_tree (walk_data=0xbffff280, bb=0x66e7a00) at
/Users/apinski/src/gcc-sony/gcc-4.3/gcc/gcc/domwalk.c:195
#3  0x0039e0ee in tree_ssa_lim () at
/Users/apinski/src/gcc-sony/gcc-4.3/gcc/gcc/tree-ssa-loop-im.c:897
#4  0x003b62cc in tree_ssa_loop_im () at
/Users/apinski/src/gcc-sony/gcc-4.3/gcc/gcc/tree-ssa-loop.c:113


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38356

[Bug tree-optimization/38356] ICE with -ftree-parallelize-loops

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2008-12-24 01:09 -------


*** This bug has been marked as a duplicate of 38310 ***


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38356