[Bug tree-optimization/51600] [4.7 Regression] ice in estimate_local_effects

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51600

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jamborm at gcc dot gnu.org
          Component|c++                         |tree-optimization
   Target Milestone|---                         |4.7.0
            Summary|ice in                      |[4.7 Regression] ice in
                   |estimate_local_effects      |estimate_local_effects

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-19 
13:44:41 UTC ---
template<class T> inline T min(T a, T b) { return a < b ? a : b; }
double cornerbound(double *P, double (*m)(double, double))
{
  double b=m(P[0],P[3]);
  return m(b,P[12]);
}
void bound(double *P, double (*m)(double, double), double b)
{
  m(b,cornerbound(P,m));
}
void bounds(double fuzz, unsigned maxdepth)
{
  double Px[]={};
  double bx=Px[0];
  bound(Px,min,bx);
}