[Bug tree-optimization/54200] copyrename generates wrong debuginfo

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54200

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |rguenth at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-08-08 
12:16:06 UTC ---
Created attachment 27962
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27962
patch

Patch which breaks gcc.target/i386/pad-10.c for real (and other testcases
due to dump differences).  We now get the correct

  <bb 4>:
  D.1759_7 = x_3(D) + z_6(D);

  <bb 5>:
  # D.1759_1 = PHI <z_6(D)(3), D.1759_7(4)>
  return D.1759_1;