http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47414
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-24 15:02:22 UTC --- rtx_refs_may_alias_p (x=0x7ffff1969318, mem=0x7ffff1968360, tbaa_p=1 '\001') for x (mem/s/f:DI (reg/v/f:DI 2 cx [orig:59 nul ] [59]) [3 nul_23->D.2090.next+0 S8 A64]) and mem (mem/s/f/c:DI (reg/f:DI 7 sp) [3 MEM[(struct A *)&s].next+0 S8 A64]) returns 0, although they clearly do alias. *.alias says: nul_23 = { NULL ESCAPED NONLOCAL s HEAP HEAP HEAP } same as nul_29