Fixes bugs where a cloned JMethodCall fails to preserve an overridden return type.

Hopefully by adding a copy constructor, we can avoid these bugs in the future.

Review by: cromwellian

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@6095 8db76d5a-ed1c-0410-87a9-c151d255dfc7
3 files changed