Add support for fixed-size arrays (#5313)

tests/arrays_test.golden

@@ -0,0 +1,19 @@
+{
+  a : {
+    a: 12.34,
+    b: [1,2,3,4,5,6,7,8,9,0xA,0xB,0xC,0xD,0xE,0xF],
+    c: -127,
+    d: [
+      {
+        a : [-1,2],
+        b : A,
+        c : [C, B]
+      },
+      {
+        a : [3,-4],
+        b : B,
+        c : [B, A]
+      }
+    ]
+  }
+}