src/share/vm/opto/ifnode.cpp

rev 8576 : 8188223: IfNode::range_check_trap_proj() should handler dying subgraph with single if proj
Reviewed-by: kvn

*** 451,460 ****
--- 451,463 ----
  //------------------------------is_range_check---------------------------------
  // Return 0 if not a range check.  Return 1 if a range check and set index and
  // offset.  Return 2 if we had to negate the test.  Index is NULL if the check
  // is versus a constant.
  int IfNode::is_range_check(Node* &range, Node* &index, jint &offset) {
+   if (outcnt() != 2) {
+     return 0;
+   }
    Node* b = in(1);
    if (b == NULL || !b->is_Bool())  return 0;
    BoolNode* bn = b->as_Bool();
    Node* cmp = bn->in(1);
    if (cmp == NULL)  return 0;