delete redundant bug.

fix typo.
add scoping bug.

R=gri
OCL=14349
CL=14349

test/bugs/bug091.go

+// errchk $G $D/$F.go
+
+// Copyright 2009 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
+
+func f1() {
+	exit:
+		print("hi\n");
+}
+
+func f2() {
+	const c = 1234;
+}
+
+func f3() {
+	i := c;	// BUG: compiles but should not. constant is not in scope in this function
+	goto exit;	// BUG: compiles but should not. label is not in this function
+}
+
+func main() {
+	f3();
+}

test/golden.out

@@ -185,6 +185,9 @@ BUG: fails incorrectly
 =========== bugs/bug090.go
 BUG: compilation succeeds incorrectly
 
+=========== bugs/bug091.go
+BUG: compilation succeeds incorrectly
+
 =========== fixedbugs/bug015.go
 fixedbugs/bug015.go:7: overflow converting constant to <int64>INT64
 

test/iota.go

@@ -103,5 +103,5 @@ func main() {
 	assert(r == 2.0, "r");
 
 	assert(s == "a", "s");
-	assert(t == "b", "s");
+	assert(t == "b", "t");
 }

test/ken/robiota.go

-// Copyright 2009 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.
-
-// $G $D/$F.go && $L $F.$A && ./$A.out
-
-package main
-
-func assert(cond bool, msg string) {
-	if !cond {
-		print("assertion fail: " + msg + "\n");
-		panic(1);
-	}
-}
-
-const (
-	x int = iota;
-	y = iota;
-	z = 1 << iota;
-	f float = 2 * iota;
-	g float = 4.5 * float(iota);
-);
-
-func main() {
-	assert(x == 0, "x");
-	assert(y == 1, "y");
-	assert(z == 4, "z");
-	assert(f == 6.0, "f");
-	assert(g == 18.0, "g");
-}