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

[tbm at cyrius dot com]

------- Comment #5 from tbm at cyrius dot com  2007-11-21 10:56 -------
(In reply to comment #4)
> Created an attachment (id=14589)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14589&action=view) [edit]
> attempt
> 
> Can you try this patch?  I don't have the resources now to build a cross and
> test it.

Now I'm getting:

Program received signal SIGSEGV, Segmentation fault.
0x00000001201466d0 in df_chain_remove_problem () at
/home/tbm/scratch/gcc/gcc/df-problems.c:1941
1941          struct df_ref **def_rec = df_get_artificial_defs (bb->index);
(gdb) where
#0  0x00000001201466d0 in df_chain_remove_problem () at
/home/tbm/scratch/gcc/gcc/df-problems.c:1941
#1  0x00000001201469e8 in df_chain_fully_remove_problem ()
    at /home/tbm/scratch/gcc/gcc/df-problems.c:1982


-- 


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