On Sat, Jan 11, 2014 at 5:07 PM, Jakub Jelinek <ja...@redhat.com> wrote: > On Sat, Jan 11, 2014 at 05:02:26PM +0800, Bin.Cheng wrote: >> > I reduced the case and attached ivopt dumps with/without the patch. >> > It seems the patch is doing right thing and choosing better >> > candidates, most likely it reveals an existing bug. >> > I am looking into this issue, in the meantime, I am wondering should I >> > apply the patch and file a PR for it, or apply the patch after root >> > causing it? > > Sounds like PR59743 which should be already fixed. Yes, it is. I just did the test against trunk exactly before Jeff's fix. Then I will apply the patch to trunk.
And an additional question: Are these uses before definition always caused by uninitialized use in GCC? Thanks, bin > > Jakub -- Best Regards.
