The first one affects externc and JS.swc: Object class in JS.swc is not dynamic, resulting in error when setting properties https://issues.apache.org/jira/browse/FLEX-34912
With the second one, the emitter is storing default values for member variables incorrectly: Types passed by reference should not be stored on the prototype because they are shared by all instances https://issues.apache.org/jira/browse/FLEX-34913 - Josh
