[Bug tree-optimization/38564] [4.4 Regression] Revision 142662 caused ICE in insert_into_preds_of_block

[jakub at gcc dot gnu dot org]

------- Comment #4 from jakub at gcc dot gnu dot org  2008-12-18 08:13 -------
struct S
{
  struct S *n, *p;
} *s;

void bar (void *);

int
foo (int x)
{
  struct S p = { &p, &p };
  int i;
  for (i = 0; i < x; i++)
    bar (s);
  return p.n == &p;
}

I guess the reason is that unlike tcc_binary the result of tcc_comparison is
bool, not necessarily equal to the type of its operands.  So it can't be
handled exactly like tcc_binary.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38564