test: don't use package main for files without a main function
Part of issue 2833, but works fine with current test runner.
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5606056
diff --git a/test/fixedbugs/bug283.go b/test/fixedbugs/bug283.go
index 45ee908..2bbc44a 100644
--- a/test/fixedbugs/bug283.go
+++ b/test/fixedbugs/bug283.go
@@ -7,7 +7,7 @@
// http://code.google.com/p/go/issues/detail?id=806
// triggered out of registers on 8g
-package main
+package bug283
type Point struct {
x int
