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-rw-r--r--js/src/jit-test/tests/basic/bug1106982-2.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1106982-2.js b/js/src/jit-test/tests/basic/bug1106982-2.js
new file mode 100644
index 000000000..378d10f51
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1106982-2.js
@@ -0,0 +1,20 @@
+var x = "wrong";
+var t = {x: "x"};
+var hits = 0;
+var p = new Proxy(t, {
+ has(t, id) {
+ var found = id in t;
+ if (++hits == 2)
+ delete t[id];
+ return found;
+ },
+ get(t, id) { return t[id]; }
+});
+evaluate(`function testFunc() {
+ x += " x";
+}`);
+
+var cloneFunc = clone(testFunc, p);
+cloneFunc();
+assertEq(hits, 2);
+assertEq(t.x, "undefined x");