tests: Add a test for optimized index access from the interpreter

tests/tests/swfs/avm2/fast_index_access/Test.as

@@ -0,0 +1,48 @@
+package {
+    import flash.display.Sprite;
+    import flash.utils.ByteArray;
+
+    public class Test extends Sprite {
+        public function Test() {
+            Object.prototype[1] = "at 1";
+            Object.prototype[10] = "at 10";
+
+            var array = new Array(2);
+            array[0] = 1;
+            trace("array[0]: " + array[0]);
+            trace("array[1]: " + array[1]);
+            trace("array[2]: " + array[2]);
+            trace("array[10]: " + array[10]);
+
+            var vector: Vector.<int> = new <int>[1, 2];
+            trace("vector[0]: " + vector[0]);
+            trace("vector[1]: " + vector[1]);
+            try {
+                trace("vector[2]: " + vector[2]);
+            } catch (e) {
+                trace("vector[2]: "+ e);
+            }
+            try {
+                trace("vector[10]: " + vector[10]);
+            } catch (e) {
+                trace("vector[10]: " + e);
+            }
+
+            var byteArray = new ByteArray();
+            byteArray.writeByte(1);
+            byteArray.writeByte(2);
+            trace("byteArray[0]: " + byteArray[0]);
+            trace("byteArray[1]: " + byteArray[1]);
+            try {
+                trace("byteArray[2]: " + byteArray[2]);
+            } catch (e) {
+                trace("byteArray[2]: " + e);
+            }
+            try {
+                trace("byteArray[10]: " + byteArray[10]);
+            } catch (e) {
+                trace("byteArray[10]: " + e);
+            }
+        }
+    }
+}

tests/tests/swfs/avm2/fast_index_access/output.txt

@@ -0,0 +1,12 @@
+array[0]: 1
+array[1]: at 1
+array[2]: undefined
+array[10]: at 10
+vector[0]: 1
+vector[1]: 2
+vector[2]: RangeError: Error #1125: The index 2 is out of range 2.
+vector[10]: RangeError: Error #1125: The index 10 is out of range 2.
+byteArray[0]: 1
+byteArray[1]: 2
+byteArray[2]: undefined
+byteArray[10]: undefined

tests/tests/swfs/avm2/fast_index_access/test.toml

@@ -0,0 +1 @@
+num_frames = 1