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-rw-r--r--js/src/jit-test/tests/ion/bug818023.js53
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug818023.js b/js/src/jit-test/tests/ion/bug818023.js
new file mode 100644
index 0000000000..d572aaf243
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug818023.js
@@ -0,0 +1,53 @@
+Function.prototype.callX = Function.prototype.call;
+var x;
+function f() {
+ x = f.caller;
+ return x;
+}
+
+function g() {
+ return f.callX(null);
+}
+
+function h1() {
+ // native
+ return ([0].map(f))[0];
+}
+
+function h2() {
+ // self-hosted
+ x = null;
+ [0].forEach(f);
+ return x;
+}
+
+function k() {
+ x = null;
+ [0, 1].sort(f);
+ return x;
+}
+
+function l() {
+ return f();
+}
+
+assertEq(g(), g);
+assertEq(h1(), h1);
+assertEq(h2(), h2);
+assertEq(k(), k);
+assertEq(l(), l);
+
+var baz;
+var foo = {callX: function() { return "m"; }};
+function bar() {
+ return baz.caller;
+}
+function m() {
+ return baz.callX(null);
+}
+
+baz = foo;
+assertEq(m(), "m");
+baz = bar;
+assertEq(m(), m);
+assertEq(m(), m);