src/share/vm/classfile/javaClasses.cpp

rev 11483 : [mq]: webrev.01

*** 869,884 ****
    java_lang_Class::set_module(k->java_mirror(), module());
  }
  
  int  java_lang_Class::oop_size(oop java_class) {
    assert(_oop_size_offset != 0, "must be set");
!   return java_class->int_field(_oop_size_offset);
  }
  void java_lang_Class::set_oop_size(oop java_class, int size) {
    assert(_oop_size_offset != 0, "must be set");
    java_class->int_field_put(_oop_size_offset, size);
  }
  int  java_lang_Class::static_oop_field_count(oop java_class) {
    assert(_static_oop_field_count_offset != 0, "must be set");
    return java_class->int_field(_static_oop_field_count_offset);
  }
  void java_lang_Class::set_static_oop_field_count(oop java_class, int size) {
--- 869,888 ----
    java_lang_Class::set_module(k->java_mirror(), module());
  }
  
  int  java_lang_Class::oop_size(oop java_class) {
    assert(_oop_size_offset != 0, "must be set");
!   int size = java_class->int_field(_oop_size_offset);
!   assert(size > 0, "size not set or stomped on: %d", size);
!   return size;
  }
  void java_lang_Class::set_oop_size(oop java_class, int size) {
    assert(_oop_size_offset != 0, "must be set");
+   assert(size > 0, "total object size must be positive: %d", size);
    java_class->int_field_put(_oop_size_offset, size);
  }
+ 
  int  java_lang_Class::static_oop_field_count(oop java_class) {
    assert(_static_oop_field_count_offset != 0, "must be set");
    return java_class->int_field(_static_oop_field_count_offset);
  }
  void java_lang_Class::set_static_oop_field_count(oop java_class, int size) {