1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug984766.js b/js/src/jit-test/tests/basic/bug984766.js
new file mode 100644
index 0000000000..bd44fc31bc
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug984766.js
@@ -0,0 +1,17 @@
+
+for (var i = 0; i < 10; i++) {
+  x = new ArrayBuffer(4)
+  x.f = (function() {})
+  new Uint16Array(x).set(JSON.parse)
+  gcslice()
+}
+
+if (!this.SharedArrayBuffer)
+  quit(0);
+
+for (var i = 0; i < 10; i++) {
+  x = new SharedArrayBuffer(4)
+  x.f = (function() {})
+  new Uint16Array(x).set(JSON.parse)
+  gcslice()
+}