[Bug tree-optimization/41101] [4.4/4.5 Regression] ICE in compute_antic, at tree-ssa-pre.c:2419

["rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #6 from rguenth at gcc dot gnu dot org  2009-08-18 11:47 -------
One reduced testcase, requires both the typedef and the unprototyped foo
(thus, implicit return type int).

typedef long *GEN; 
int foo(GEN);
void int_elt_val(GEN nf, GEN x, GEN y, long N, int b)
{
  GEN tmp, a;
  int i;
  while (1)
    {
      for (i=1; i<=N; i++)
        {
          a = (GEN) (__SIZE_TYPE__) foo(((GEN *)x)[1]);
          ((GEN *)y)[i] = (GEN) (__SIZE_TYPE__) foo(a);
          if (b)
            return; 
        }
      tmp=x;
      x=y;
      y=tmp;
    }
}


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41101

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