[Bug tree-optimization/24599] [4.0 regression] segv after overflow detection

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

------- Comment #3 from pinskia at gcc dot gnu dot org  2005-11-03 18:25 -------
(In reply to comment #2)
> I'm not sure the root cause of this bug is fixed in 4.1.  It looks to me like
> it's still there and is only (currently) hidden.  Am I mistaken?
> Apply this patch to gcc-4.1-20051029 and recompile the testcase with -O3.
> I'm seeing an abort.  If I set a breakpoint on integer_nonzerop and print the
> boolean_true_node tree I see it's marked as "overflow".  Oops

Overflow should mean nothing to the optimizers or expanders.  It is only a
language term really that should only matter to the front-end. 
integer_nonzerop should not be used that much any more,  Yes I know it is but
really it needs to be changed to use nonzero_p instead.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24599