[Bug tree-optimization/46193] ICE: in omp_reduction_init, at omp-low.c:2212 with -ftree-parallelize-loops

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46193

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.10.30 21:15:40
     Ever Confirmed|0                           |1

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2010-10-30 21:15:40 
UTC ---
Confirmed with 4.6.0, backtrace:

(gdb) bt
#0  fancy_abort (file=0xd11c58 "../../gcc-svn/trunk/gcc/omp-low.c", line=2212, 
    function=0xd138e0 "omp_reduction_init")
    at ../../gcc-svn/trunk/gcc/diagnostic.c:880
#1  0x0000000000708873 in omp_reduction_init (clause=<value optimized out>, 
    type=0x7ffff2054930) at ../../gcc-svn/trunk/gcc/omp-low.c:2212
#2  0x000000000082a13a in initialize_reductions (slot=<value optimized out>, 
    data=0x7ffff2036b28) at ../../gcc-svn/trunk/gcc/tree-parloops.c:415
#3  0x0000000000c9c1d8 in htab_traverse_noresize (htab=<value optimized out>, 
    callback=0x82a070 <initialize_reductions>, info=0x7ffff2036b28)
    at ../../gcc-svn/trunk/libiberty/hashtab.c:784
#4  0x000000000082c09e in gen_parallel_loop (loop=<value optimized out>, 
    reduction_list=0x1389f00, n_threads=2, niter=<value optimized out>)
    at ../../gcc-svn/trunk/gcc/tree-parloops.c:1640
#5  0x000000000082d58b in parallelize_loops ()
    at ../../gcc-svn/trunk/gcc/tree-parloops.c:1976
#6  0x00000000008ae469 in tree_parallelize_loops ()
    at ../../gcc-svn/trunk/gcc/tree-ssa-loop.c:589