------- Comment #7 from dann at godzilla dot ics dot uci dot edu 2008-03-04 21:32 ------- (In reply to comment #6) > Actually RTL alias is just using the same routines. Might be, but the RTL level code that optimizes away the abort() in both testcases (if I remember well nonoverlapping_component_refs_p).
> > # SMT.4_6 = VDEF <SMT.4_4(D)> > # SMT.5_7 = VDEF <SMT.5_5(D)> > x_1(D)->x = 0; > # SMT.5_8 = VDEF <SMT.5_7> > y_2(D)->y = 1; > > vs. > > # SMT.18_5 = VDEF <SMT.18_4(D)> > x_1(D)->x = 0; > # SMT.19_7 = VDEF <SMT.19_6(D)> > y_2(D)->y = 1; That is for this testcase, but what about the impact on .final_cleanup for something big like combine.c? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27799
