Add a proper HInvokeConstructorBody instead of mis-using HInvokeDynamicMethod.

R=kasperl@google.com

Review URL: https://codereview.chromium.org//15697004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@23013 260f80e4-7a28-3924-810f-c04153c831b5
5 files changed