[Bug middle-end/29584] [4.0/4.1 Regression] internal compiler error on optimization

["tbm at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #4 from tbm at gcc dot gnu dot org  2006-10-24 19:02 -------
(gdb) where
#0  expand_case (exp=Variable "exp" is not available.
) at /home/tbm/scratch/gcc-4.1/gcc/stmt.c:2106
#1  0x0000000000533ee7 in expand_expr_real_1 (exp=Variable "exp" is not
available.
) at /home/tbm/scratch/gcc-4.1/gcc/expr.c:8491
#2  0x00000000005377b9 in expand_expr_real (exp=0x2b984c150000,
target=0x2b984bf72400,
    tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0) at
/home/tbm/scratch/gcc-4.1/gcc/expr.c:6530
#3  0x00000000006c3e49 in expand_expr_stmt (exp=0x2b984c150000) at expr.h:493
#4  0x00000000006e9d80 in expand_gimple_basic_block (bb=0x2b984c140280,
dump_file=Variable "dump_file" is not available.
)
    at /home/tbm/scratch/gcc-4.1/gcc/cfgexpand.c:1367
#5  0x00000000006eac8d in tree_expand_cfg () at
/home/tbm/scratch/gcc-4.1/gcc/cfgexpand.c:1626
#6  0x00000000006e7516 in execute_one_pass (pass=0xa31780)
    at /home/tbm/scratch/gcc-4.1/gcc/passes.c:827
#7  0x00000000006e760c in execute_pass_list (pass=0xa31780)
    at /home/tbm/scratch/gcc-4.1/gcc/passes.c:859
#8  0x000000000045d77a in tree_rest_of_compilation (fndecl=0x2b984c120e00)
    at /home/tbm/scratch/gcc-4.1/gcc/tree-optimize.c:419
#9  0x000000000040a628 in c_expand_body (fndecl=0x2b984c120e00)
    at /home/tbm/scratch/gcc-4.1/gcc/c-decl.c:6692
#10 0x00000000007249c2 in cgraph_expand_function (node=0x2b984c1394d0)
    at /home/tbm/scratch/gcc-4.1/gcc/cgraphunit.c:1058
#11 0x00000000007257ac in cgraph_optimize () at
/home/tbm/scratch/gcc-4.1/gcc/cgraphunit.c:1124
#12 0x00000000004100d2 in c_write_global_declarations ()
    at /home/tbm/scratch/gcc-4.1/gcc/c-decl.c:7700


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29584