[Bug middle-end/48600] [4.6 regression] ICE when using cold attribute

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48600

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW
                 CC|                            |hubicka at gcc dot gnu.org,
                   |                            |jakub at gcc dot gnu.org

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-18 11:22:48 UTC ---
Simplified testcase for -O:

struct A
{
  ~A ();
};

const A &operator << (const A &, const char *);
void bar () __attribute__ ((cold));

void
foo (void)
{
  for (;;)
    {
      A a;
      a << "foo";
      bar ();
    }
}

Caused by http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161691
found is false and leads into infinite recursion in predict_paths_for_bb
(alternating 3 bbs forever).