diff options
Diffstat (limited to 'js/src/jit-test/tests/TypedObject/bug950458.js')
-rw-r--r-- | js/src/jit-test/tests/TypedObject/bug950458.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/TypedObject/bug950458.js b/js/src/jit-test/tests/TypedObject/bug950458.js new file mode 100644 index 000000000..7c90c7bcc --- /dev/null +++ b/js/src/jit-test/tests/TypedObject/bug950458.js @@ -0,0 +1,23 @@ +if (!this.hasOwnProperty("TypedObject")) + quit(); + +// Test for fuzz condition failure. Cause of the failure +// was that we were not adding a type barrier after the +// creation of derived typed objects. When run in --ion-eager +// mode, arr[i] (below) would yield a derived typed object +// with an empty type set, which would then fail sanity +// checking assertions. +// +// Public domain. + +var N = 100; +var T = TypedObject; +var Point = new T.StructType({x: T.uint32, y: T.uint32, z: T.uint32}); +var PointArray = Point.array(N); +function foo(arr) { + var sum = 0; + for (var i = 0; i < N; i++) { + sum += arr[i].x + arr[i].y + arr[i].z; + } +} +foo(new PointArray()); |