http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59811
--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> --- On Fri, 31 Jan 2014, jakub at gcc dot gnu.org wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59811 > > --- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > Dunno what to limit there though. > > BTW, the 1000 default for sccvn-max-alias-queries-per-access param was some > carefully chosen value, e.g. does the test that was fixed by the addition of > the param fail if it is bumped to say 1500 or 2000, or can we just bump > slightly the default? It was reasonably chosen - the testcase I added it for still uses a lot of time in alias-walking (~30% I think which I decided was reasonable for the testcase). We sure can slightly bump it, but that only requires a slightly larger testcase to re-trigger this bug?