gc: more specific error for statements at top level

R=ken2, r, ken3
CC=golang-dev
http://codereview.appspot.com/1006041

1 files changed, 20 insertions, 0 deletions

diff --git a/test/syntax/topexpr.go b/test/syntax/topexpr.go
new file mode 100644
index 000000000..83de49075
--- /dev/null
+++ b/test/syntax/topexpr.go
@@ -0,0 +1,20 @@
+// errchk $G -e $D/$F.go
+
+// Copyright 2010 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+fmt.Printf("hello")	// ERROR "non-declaration statement outside function body"
+
+func main() {
+}
+
+x++	// ERROR "non-declaration statement outside function body"
+
+func init() {
+}
+
+x,y := 1, 2	// ERROR "non-declaration statement outside function body"
+