1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/TypedObject/jit-read-u16-from-struct-array-in-struct.js b/js/src/jit-test/tests/TypedObject/jit-read-u16-from-struct-array-in-struct.js
new file mode 100644
index 000000000..ccd5264e2
--- /dev/null
+++ b/js/src/jit-test/tests/TypedObject/jit-read-u16-from-struct-array-in-struct.js
@@ -0,0 +1,45 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+if (!this.hasOwnProperty("TypedObject"))
+  quit();
+
+var PointType = new TypedObject.StructType({x: TypedObject.uint16,
+                                            y: TypedObject.uint16,
+                                            z: TypedObject.uint16});
+
+var VecPointType = PointType.array(3);
+
+var PairVecType = new TypedObject.StructType({fst: VecPointType,
+                                              snd: VecPointType});
+
+function foo() {
+  for (var i = 0; i < 5000; i += 9) {
+    var p = new PairVecType({fst: [{x:    i, y: i+1, z:i+2},
+                                   {x:  i+3, y: i+4, z:i+5},
+                                   {x:  i+6, y: i+7, z:i+8}],
+                             snd: [{x:  i+9, y:i+10, z:i+11},
+                                   {x: i+12, y:i+13, z:i+14},
+                                   {x: i+15, y:i+16, z:i+17}]
+                            });
+    var sum;
+
+    sum = p.fst[0].x + p.fst[0].y + p.fst[0].z;
+    assertEq(sum, 3*i + 3);
+    sum = p.fst[1].x + p.fst[1].y + p.fst[1].z;
+    assertEq(sum, 3*i + 12);
+    sum = p.fst[2].x + p.fst[2].y + p.fst[2].z;
+    assertEq(sum, 3*i + 21);
+
+    sum = p.snd[0].x + p.snd[0].y + p.snd[0].z;
+    assertEq(sum, 3*i + 30);
+    sum = p.snd[1].x + p.snd[1].y + p.snd[1].z;
+    assertEq(sum, 3*i + 39);
+    sum = p.snd[2].x + p.snd[2].y + p.snd[2].z;
+    assertEq(sum, 3*i + 48);
+  }
+}
+
+foo();