last round: non-package code

R=r
DELTA=127  (38 added, 3 deleted, 86 changed)
OCL=34640
CL=34650
diff --git a/test/fixedbugs/bug022.go b/test/fixedbugs/bug022.go
index 0250135..f94a585 100644
--- a/test/fixedbugs/bug022.go
+++ b/test/fixedbugs/bug022.go
@@ -10,6 +10,7 @@
 	var i byte;
 	i = (*digits)[7];  // compiles
 	i = digits[7];  // ERROR "illegal|is not|invalid"
+	_ = i;
 }
 
 func main() {