On Fri, Sep 15, 2017 at 2:53 AM, Richard Biener <rguent...@suse.de> wrote: > On Thu, 14 Sep 2017, David Edelsohn wrote: > >> * tree-ssa-sccvn.c (visit_phi): Merge undefined values similar >> to VN_TOP. >> >> This seems to have regressed >> >> FAIL: gcc.dg/tree-prof/time-profiler-2.c scan-ipa-dump-times profile >> "Read tp_first_run: 0" 2 >> FAIL: gcc.dg/tree-prof/time-profiler-2.c scan-ipa-dump-times profile >> "Read tp_first_run: 2" 1 >> FAIL: gcc.dg/tree-prof/time-profiler-2.c scan-ipa-dump-times profile >> "Read tp_first_run: 3" 1 > > Hmm, I don't see these FAILs. Looking at the testcase there are > no undefined uses so I wonder how the patch could have any effect. > > Can you re-check and open a bugreport?
It disappeared again. A different failure appeared and disappeared a few weeks ago. Something in the testsuite infrastructure appears to not be stable, at least on AIX. Sorry for the incorrect report. - David