src/hotspot/share/opto/memnode.cpp

rev 48500 : 8194988: 8 Null pointer dereference defect groups related to MultiNode::proj_out()

*** 134,144 ****
                               (load != NULL) && load->is_Load() &&
                               (phase->is_IterGVN() != NULL);
    if (!(is_instance || is_boxed_value_load))
      return mchain;  // don't try to optimize non-instance types
    uint instance_id = t_oop->instance_id();
!   Node *start_mem = phase->C->start()->proj_out(TypeFunc::Memory);
    Node *prev = NULL;
    Node *result = mchain;
    while (prev != result) {
      prev = result;
      if (result == start_mem)
--- 134,144 ----
                               (load != NULL) && load->is_Load() &&
                               (phase->is_IterGVN() != NULL);
    if (!(is_instance || is_boxed_value_load))
      return mchain;  // don't try to optimize non-instance types
    uint instance_id = t_oop->instance_id();
!   Node *start_mem = phase->C->start()->proj_out_or_null(TypeFunc::Memory);
    Node *prev = NULL;
    Node *result = mchain;
    while (prev != result) {
      prev = result;
      if (result == start_mem)