fix(gnovm/preprocess): forbid range on invalid values

gnovm/pkg/gnolang/preprocess.go

@@ -675,6 +675,12 @@ func preprocess1(store Store, ctx BlockNode, n Node) Node {
 					}
 					xt = xt.Elem()
 					n.IsArrayPtr = true
+				case ArrayKind, SliceKind:
+				default:
+					panic(fmt.Sprintf(
+						"range iteration requires map, string, array, slice, or pointer to array; got %s",
+						xt.Kind().String(),
+					))
 				}
 				// key value if define.
 				if n.Op == DEFINE {

gnovm/tests/files/range10.gno

@@ -0,0 +1,13 @@
+package main
+
+func main() {
+	i := [3]int{1, 2, 3}
+	for j := range &i {
+		println(j)
+	}
+}
+
+// Output:
+// 0
+// 1
+// 2

gnovm/tests/files/range11.gno

@@ -0,0 +1,14 @@
+package main
+
+func main() {
+	i := []int{1, 2, 3}
+	for j := range &i {
+		println(j)
+	}
+}
+
+// Error:
+// main/range11.gno:5:2-7:3: range iteration over pointer requires array elem type
+
+// TypeCheckError:
+// main/range11.gno:5:17: cannot range over &i (value of type *[]int)

gnovm/tests/files/range12.gno

@@ -0,0 +1,14 @@
+package main
+
+func main() {
+	// Iterator syntax in latest go versions. Currently unsupported in Gno.
+	p := func(yield func(v int) bool) {
+		yield(123)
+	}
+	for j := range p {
+		println(j)
+	}
+}
+
+// Error:
+// main/range12.gno:8:2-10:3: range iteration requires map, string, array, slice, or pointer to array; got FuncKind

gnovm/tests/files/range9.gno

@@ -0,0 +1,9 @@
+package main
+
+func main() {
+	for range 1000 {
+	}
+}
+
+// Error:
+// main/range9.gno:4:2-5:3: range iteration requires map, string, array, slice, or pointer to array; got BigintKind