src/share/vm/opto/stringopts.cpp

rev 5464 : 8024070: C2 needs some form of type speculation
Summary: record unused type profile information with type system, propagate and use it.
Reviewed-by:

*** 751,761 ****
      } else {
        ShouldNotReachHere();
      }
    }
  
!   // Skip backwards through the control checking for unexpected contro flow
    Node* ptr = _end;
    bool fail = false;
    while (ptr != _begin) {
      if (ptr->is_Call() && ctrl_path.member(ptr)) {
        ptr = ptr->in(0);
--- 751,761 ----
      } else {
        ShouldNotReachHere();
      }
    }
  
!   // Skip backwards through the control checking for unexpected control flow
    Node* ptr = _end;
    bool fail = false;
    while (ptr != _begin) {
      if (ptr->is_Call() && ctrl_path.member(ptr)) {
        ptr = ptr->in(0);