[Bug tree-optimization/96108] Different behavior in DSE pass

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96108

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
I don't think we should DSE anything here.  For the record, DSE1 sees


void test ()
{
  struct aa * a;
  struct aa * D.2784;
  int _1;
  int _2;

  <bb 2> :
  _1 = a_4(D)->b;
  _2 = _1 & 65520;
  a_4(D)->b = _2;
  return;
}