src/share/vm/ci/ciField.cpp

*** 196,205 ****
--- 196,225 ----
    // Either (a) it is marked shared, or else (b) we are done bootstrapping.
    assert(is_shared() || ciObjectFactory::is_initialized(),
           "bootstrap classes must not create & cache unshared fields");
  }
  
+ // Special copy constructor used to flatten value type fields by
+ // copying the fields of the value type to a new holder klass.
+ ciField::ciField(ciField* field, ciInstanceKlass* holder, int offset, bool is_final) {
+   assert(field->holder()->is_valuetype(), "should only be used for value type field flattening");
+   // Set the is_final flag
+   jint final = is_final ? JVM_ACC_FINAL : ~JVM_ACC_FINAL;
+   AccessFlags flags(field->flags().as_int() & final);
+   _flags = ciFlags(flags);
+   _holder = holder;
+   _offset = offset;
+   // Copy remaining fields
+   _name = field->_name;
+   _signature = field->_signature;
+   _type = field->_type;
+   _is_constant = field->_is_constant;
+   _known_to_link_with_put = field->_known_to_link_with_put;
+   _known_to_link_with_get = field->_known_to_link_with_get;
+   _constant_value = field->_constant_value;
+ }
+ 
  static bool trust_final_non_static_fields(ciInstanceKlass* holder) {
    if (holder == NULL)
      return false;
    if (holder->name() == ciSymbol::java_lang_System())
      // Never trust strangely unstable finals:  System.out, etc.