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-rw-r--r--js/src/jit-test/tests/ion/bug1317943.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1317943.js b/js/src/jit-test/tests/ion/bug1317943.js
new file mode 100644
index 000000000..10b36d368
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1317943.js
@@ -0,0 +1,14 @@
+"use strict";
+function test() {
+ for (var i=0; i<10; i++) {
+ try {
+ var arr = [];
+ arr[0] = 1;
+ Object.freeze(arr);
+ arr[0] = 2;
+ } catch (e) {
+ assertEq(e.toString().includes("TypeError: 0 is read-only"), true);
+ }
+ }
+}
+test();