[Bug tree-optimization/28479] [4.2 regression] cc1plus just sits there eating CPU and RAM for a simple program

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2006-07-25 13:43 -------
Simpler testcase:

void foo(int* dest)
{
  for (;;)
    *(volatile int *)dest = *(volatile int *)dest;
}

.066.crited:

  # SMT.4_3 = PHI <SMT.4_4(2), SMT.4_5(3)>;
<L0>:;
  #   VUSE <SMT.4_3>;
  D.1990_2 = *dest_1;
  #   SMT.4_5 = V_MAY_DEF <SMT.4_3>;
  *dest_1 = D.1990_2;
  goto <bb 3> (<L0>);


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28479