Richard Henderson wrote:
> On 07/20/2011 11:24 AM, Ulrich Weigand wrote:
> >> > BB_HEAD (new_bb) = new_label;
> > new_bb is now always NULL at this point, and the assignment crashes.
> >
> > I guess that assignment should now be just deleted as well, since
> > this is done by create_basic_block later?
>
> Doh. Yes, that's correct.
OK, I've checked in the patch below.
Thanks,
Ulrich
ChangeLog:
* bb-reorder.c (fix_crossing_conditional_branches): Fix crash by
removing now-unnecessary assignment.
Index: gcc/bb-reorder.c
===================================================================
*** gcc/bb-reorder.c (revision 176527)
--- gcc/bb-reorder.c (working copy)
*************** fix_crossing_conditional_branches (void)
*** 1603,1609 ****
new_label = gen_label_rtx ();
emit_label (new_label);
- BB_HEAD (new_bb) = new_label;
gcc_assert (GET_CODE (old_label) == LABEL_REF);
old_label = JUMP_LABEL (old_jump);
--- 1603,1608 ----
--
Dr. Ulrich Weigand
GNU Toolchain for Linux on System z and Cell BE
ulrich.weig...@de.ibm.com
