gofix: add -debug flag for quicker diagnosis of internal errors
gofix: add -debug flag for quicker diagnosis of internal errors

R=rsc, r
CC=golang-dev
http://codereview.appspot.com/5564055

Committer: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go