53abcebbf9
This simplifies a lot of code in the optimizer and avoids the confusion and errors due to mismatch input operands when using StoreVMField. I added a separate constructor for LoadFieldInstr to avoid having to explicily set the associated field there. R=regis@google.com Review URL: https://codereview.chromium.org//179443004 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@33059 260f80e4-7a28-3924-810f-c04153c831b5