https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64715
--- Comment #18 from rguenther at suse dot de <rguenther at suse dot de> --- On Tue, 24 Mar 2015, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64715 > > --- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > In > *r_2(D) = 0; > _4 = r_2(D) + 4; > *_4 = 1; > _6 = *r_2(D); > there are no handled components, so there is no reason not to create > &MEM_REF[r_2, 4]. But it shouldn't be hard to construct similar testcase > where > there are fields and we would regress. Yes, this is also somewhat related to PR63916.