1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug827659-1.js b/js/src/jit-test/tests/ion/bug827659-1.js
new file mode 100644
index 0000000000..f56ef46e3c
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug827659-1.js
@@ -0,0 +1,11 @@
+function f() {
+    return y.byteOffset;
+}
+var y;
+for (var j = 0; j < 1; ++j) {
+    y = new Float32Array();
+}
+f();
+y = 0;
+assertEq(f(), undefined);
+assertEq(f(), undefined);