src/share/vm/opto/opaquenode.cpp

rev 12700 : 8176506: C2: loop unswitching and unsafe accesses cause crash
Reviewed-by:

*** 58,67 ****
--- 58,75 ----
  uint Opaque2Node::hash() const { return NO_HASH; }
  uint Opaque2Node::cmp( const Node &n ) const {
    return (&n == this);          // Always fail except on self
  }
  
+ Node* Opaque4Node::Identity(PhaseGVN* phase) {
+   return phase->C->major_progress() ? this : in(2);
+ }
+ 
+ const Type* Opaque4Node::Value(PhaseGVN* phase) const {
+   return phase->type(in(1));
+ }
+ 
  //=============================================================================
  
  uint ProfileBooleanNode::hash() const { return NO_HASH; }
  uint ProfileBooleanNode::cmp( const Node &n ) const {
    return (&n == this);