Goodbye “undefined is not a function”
This change required adding a pretty-printer into V8 to massage that AST back to something recognizable: <a href="https://codereview.chromium.org/861623002" rel="nofollow">https://codereview.chromium.org/861623002</a><p>Still, there are decent improvements we could make.   Star, or better yet, comment on <a href="https://code.google.com/p/chromium/issues/detail?id=259443" rel="nofollow">https://code.google.com/p/chromium/issues/detail?id=259443</a> with how you get caught out by weak error messages. We want the debugging cycle to be a lot more direct from error to fix.