add another test to decl to see that result vars are redeclarable.

R=ken
OCL=27620
CL=27620

test/decl.go

@@ -12,6 +12,11 @@ func f1() int { return 1 }
 func f2() (float, int) { return 1, 2 }
 func f3() (float, int, string) { return 1, 2, "3" }
 
+func x() (s string) {
+	a, b, s := f3();
+	return	// tests that result var is in scope for redeclaration
+}
+
 func main() {
 	i, f, s := f3();
 	j, f := f2();	// redeclare f
@@ -26,4 +31,7 @@ func main() {
 		m, g, s := f3();
 		m, h, s := f3();
 	}
+	if x() != "3" {
+		println("g() failed");
+	}
 }