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-rw-r--r--js/src/jit-test/tests/basic/bug705895-1.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug705895-1.js b/js/src/jit-test/tests/basic/bug705895-1.js
new file mode 100644
index 000000000..c2beca9f6
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug705895-1.js
@@ -0,0 +1,16 @@
+load(libdir + "immutable-prototype.js");
+
+c = Number.prototype;
+function f(o) {
+ if (globalPrototypeChainIsMutable() || o !== Object.prototype)
+ o.__proto__ = null
+ for (x in o) {}
+}
+for (i = 0; i < 9; i++) {
+ f(c)
+ if (globalPrototypeChainIsMutable())
+ Object.prototype.__proto__ = c;
+ for (x in Object.prototype)
+ continue;
+ f(Math.__proto__);
+}