http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48161
--- Comment #3 from John David Anglin <danglin at gcc dot gnu.org> 2011-03-17 02:48:27 UTC --- (insn 548 547 0 (set (reg:SI 147 [ D.35803 ]) (mem/s:SI (plus:SI (const_int 60 [0x3c]) (reg:SI 411)) [2 D.37625_60->reg_pressure_excess_cost_change+0 S 4 A32])) ../../gcc/gcc/haifa-sched.c:1179 -1 (nil)) is present in expand.