[Bug bootstrap/15876] [lno] bootstrap fails with a segfault in the stage one compiler

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

------- Additional Comments From phython at gcc dot gnu dot org  2004-06-09 05:11 -------
Probably not too useful, but here is the backtrace:
Analyzing compilation unit
Performing intraprocedural optimizations
Assembling functions:
 __do_global_ctors_aux

Program received signal SIGSEGV, Segmentation fault.
0x0036b858 in expand_expr_real_1 (exp=0x705498e0, target=0x0, tmode=SImode,
    modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at /home/jim/cvs/gcc.lno/gcc/gcc/expr.c:9024
9024              if (GET_CODE (op0) != MEM)
(gdb) p op0
$1 = 0x0
#0  0x0036b858 in expand_expr_real_1 (exp=0x705498e0, target=0x0,
    tmode=SImode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at /home/jim/cvs/gcc.lno/gcc/gcc/expr.c:9024
#1  0x00346e64 in expand_expr_real (exp=0x705498e0, target=0x0, tmode=SImode,
    modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at /home/jim/cvs/gcc.lno/gcc/gcc/expr.c:6383
#2  0x00209cac in expand_expr (exp=0x705498e0, target=0x0, mode=SImode,
    modifier=EXPAND_NORMAL) at expr.h:522
#3  0x001fe9e8 in computation_cost (expr=0x705498e0)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:2277
#4  0x0020060c in force_var_cost (data=0xefffef28, expr=0x70554600,
    depends_on=0xefffed3c)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:2742
#5  0x00201e08 in difference_cost (data=0xefffef28, e1=0x70554600,
    e2=0x7037a030, symbol_present=0xefffec2e, var_present=0xefffec2f,
    offset=0xefffec38, depends_on=0xefffed3c)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:2990
#6  0x00202394 in get_computation_cost_at (data=0xefffef28, use=0x8ad968,
    cand=0x8ad9a8, address_p=true, depends_on=0xefffed3c, at=0x7054ca50)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:3076
#7  0x002028fc in get_computation_cost (data=0xefffef28, use=0x8ad968,
    cand=0x8ad9a8, address_p=true, depends_on=0xefffed3c)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:3156
#8  0x0020299c in determine_use_iv_cost_address (data=0xefffef28,
    use=0x8ad968, cand=0x8ad9a8)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:3180
#9  0x00203424 in determine_use_iv_cost (data=0xefffef28, use=0x8ad968,
    cand=0x8ad9a8) at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:3384
#10 0x00203670 in determine_use_iv_costs (data=0xefffef28)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:3435
#11 0x00208f94 in tree_ssa_iv_optimize_loop (data=0xefffef28, loop=0x8adae8)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:4674
#12 0x00209104 in tree_ssa_iv_optimize (loops=0x8bde10)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop-ivopts.c:4731
#13 0x001e903c in tree_ssa_loop_opt ()
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-ssa-loop.c:103
#14 0x0011c02c in execute_one_pass (pass=0x832d34)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-optimize.c:418
#15 0x0011c140 in execute_pass_list (pass=0x832d34)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-optimize.c:447
#16 0x0011c178 in execute_pass_list (pass=0x83282c)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-optimize.c:448
#17 0x0011c724 in tree_rest_of_compilation (fndecl=0x70550000, nested_p=false)
    at /home/jim/cvs/gcc.lno/gcc/gcc/tree-optimize.c:545
#18 0x00047b2c in c_expand_body_1 (fndecl=0x70550000, nested_p=0)
    at /home/jim/cvs/gcc.lno/gcc/gcc/c-decl.c:6380
#19 0x00047edc in c_expand_body (fndecl=0x70550000)
    at /home/jim/cvs/gcc.lno/gcc/gcc/c-decl.c:6403
#20 0x00663f34 in cgraph_expand_function (node=0x70550438)
    at /home/jim/cvs/gcc.lno/gcc/gcc/cgraphunit.c:794
#21 0x0066731c in cgraph_expand_all_functions ()
    at /home/jim/cvs/gcc.lno/gcc/gcc/cgraphunit.c:1668
#22 0x006677ec in cgraph_optimize ()
    at /home/jim/cvs/gcc.lno/gcc/gcc/cgraphunit.c:1758
#23 0x000cce6c in c_objc_common_finish_file ()
    at /home/jim/cvs/gcc.lno/gcc/gcc/c-objc-common.c:241
#24 0x000203d8 in finish_file () at /home/jim/cvs/gcc.lno/gcc/gcc/c-lang.c:213
#25 0x000bd0a4 in c_common_parse_file (set_yydebug=0)
    at /home/jim/cvs/gcc.lno/gcc/gcc/c-opts.c:1240
#26 0x005c93b0 in compile_file ()
    at /home/jim/cvs/gcc.lno/gcc/gcc/toplev.c:1671
#27 0x005cc1d0 in do_compile () at /home/jim/cvs/gcc.lno/gcc/gcc/toplev.c:2712
#28 0x005cc26c in toplev_main (argc=4, argv=0xeffff7a4)
    at /home/jim/cvs/gcc.lno/gcc/gcc/toplev.c:2744
#29 0x000ec38c in main (argc=4, argv=0xeffff7a4)
    at /home/jim/cvs/gcc.lno/gcc/gcc/main.c:35


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15876