[Bug rtl-optimization/34171] [4.3 Regression] Segfault in df_chain_remove_problem with -O3 on alpha

[tbm at cyrius dot com]

------- Comment #1 from tbm at cyrius dot com  2007-11-21 09:19 -------
Program received signal SIGSEGV, Segmentation fault.
df_chain_remove_problem () at gcc/df-problems.c:1948
1948            for (use_rec = df_get_artificial_uses (bb->index); *use_rec;
use_rec++)
(gdb) where
#0  df_chain_remove_problem () at gcc/df-problems.c:1948
#1  0x00000001201466fc in df_chain_fully_remove_problem ()
    at gcc/df-problems.c:1981
#2  0x000000012013e3e8 in df_finish_pass (verify=0 '\0') at gcc/df-core.c:663
#3  0x00000001202e3a78 in execute_todo (flags=132097) at gcc/passes.c:1015
#4  0x00000001202e4230 in execute_one_pass (pass=0x1208c5e28)
    at gcc/passes.c:1140
#5  0x00000001202e4488 in execute_pass_list (pass=0x1208c5e28)
    at gcc/passes.c:1171
#6  0x00000001202e449c in execute_pass_list (pass=0x1208c25d8)
    at gcc/passes.c:1172
#7  0x00000001203fc414 in tree_rest_of_compilation (fndecl=0x200004a6c30)
    at gcc/tree-optimize.c:404
#8  0x00000001205f77c8 in cgraph_expand_function (node=0x200003e6500)
    at gcc/cgraphunit.c:1151
#9  0x00000001205fab20 in cgraph_optimize () at gcc/cgraphunit.c:1214
#10 0x000000012001ad58 in c_write_global_declarations () at gcc/c-decl.c:8081
#11 0x0000000120381888 in toplev_main (argc=<value optimized out>, argv=<value
    optimized out>) at gcc/toplev.c:1055
#12 0x00000001200afa58 in main (argc=2550688, argv=0x0) at gcc/main.c:35
(gdb)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34171