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-rw-r--r--js/src/jit-test/tests/ion/bug1148973-2.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1148973-2.js b/js/src/jit-test/tests/ion/bug1148973-2.js
new file mode 100644
index 000000000..97bbe4085
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1148973-2.js
@@ -0,0 +1,8 @@
+var proto = {};
+var obj = Object.create(proto);
+Object.defineProperty(proto, "x", { get: decodeURI, configurable: true });
+Object.defineProperty(obj, "z", { get: function () { return this.x; } });
+assertEq(obj.z, "undefined");
+
+Object.defineProperty(proto, "x", { get: Math.sin, configurable: false });
+assertEq(obj.z, NaN);