[Bug middle-end/49308] [4.7 Regression] segfault in rest_of_handle_ud_dce () at gcc/gcc/dce.c:518

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49308

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-07 
09:44:03 UTC ---
Created attachment 24455
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24455
gcc47-pr49308.patch

Untested fix.