Hello ken2 (cc: golang-dev@googlegroups.com), I'd like you to review this change.
*** Submitted as http://code.google.com/p/go/source/detail?r=5e69b9812415 *** gc: simplify complex typecheck do not convert to float prematurely. R=ken2 CC=golang-dev http://codereview.appspot.com/311041
LGTM