[Bug tree-optimization/33833] [4.3 Regression] ICE in build2_stat, at tree.c:3110 at -O3, tree-vectorizer

[tbm at cyrius dot com]

------- Comment #1 from tbm at cyrius dot com  2007-10-20 18:22 -------
(gdb) run -O3 ~/linux-sched.c
Starting program: /home/tbm/tmp/gcc/gcc-4.3-20071020-r129504/gcc/cc1 -O3
~/linux-sched.c
 sched_init
Analyzing compilation unit
Performing interprocedural optimizations
 <visibility> <early_local_cleanups> <inline> <static-var>
<pure-const>Assembling functions:
 sched_init
Breakpoint 1, fancy_abort (file=0xb866e8 "gcc/gcc/tree.c", line=3110,
    function=0xb898de "build2_stat") at gcc/gcc/diagnostic.c:659
659     {
(gdb) where
#0  fancy_abort (file=0xb866e8 "gcc/gcc/tree.c", line=3110,
    function=0xb898de "build2_stat") at gcc/gcc/diagnostic.c:659
#1  0x0000000000839aea in build2_stat (code=PLUS_EXPR, tt=0x2acf9e7f6b60,
arg0=0x2acf9e81e2c0,
    arg1=0x2acf9e817e40) at gcc/gcc/tree.c:3110
#2  0x0000000000a9b1cf in vect_analyze_loop (loop=<value optimized out>)
    at gcc/gcc/tree-vect-analyze.c:3252
#3  0x000000000080bcd0 in vectorize_loops () at gcc/gcc/tree-vectorizer.c:2501
#4  0x000000000063f247 in execute_one_pass (pass=0xee2d00) at
gcc/gcc/passes.c:1117
#5  0x000000000063f40c in execute_pass_list (pass=0xee2d00)
    at gcc/gcc/passes.c:1170
#6  0x000000000063f41e in execute_pass_list (pass=0xee2b20)
    at gcc/gcc/passes.c:1171
#7  0x000000000063f41e in execute_pass_list (pass=0xee1f20)
    at gcc/gcc/passes.c:1171#8  0x0000000000717e0e in tree_rest_of_compilation
(fndecl=0x2acf9e7f4800)
    at gcc/gcc/tree-optimize.c:404
#9  0x000000000089adb2 in cgraph_expand_function (node=0x2acf9e7f4900)
    at gcc/gcc/cgraphunit.c:1060
#10 0x000000000089c858 in cgraph_optimize () at gcc/gcc/cgraphunit.c:1123
#11 0x0000000000414d9e in c_write_global_declarations () at
gcc/gcc/c-decl.c:8077
#12 0x00000000006bb0b7 in toplev_main (argc=<value optimized out>, argv=<value
optimized out>)
    at gcc/gcc/toplev.c:1055
#13 0x00002acf9e39db44 in __libc_start_main () from /lib/libc.so.6
#14 0x00000000004043f9 in _start ()


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33833