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-rw-r--r--js/src/jit-test/tests/proxy/bug1853180-2.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/bug1853180-2.js b/js/src/jit-test/tests/proxy/bug1853180-2.js
new file mode 100644
index 0000000000..97b7face46
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/bug1853180-2.js
@@ -0,0 +1,32 @@
+// |jit-test| --fast-warmup
+
+function foo(o) {
+ return o.x;
+}
+
+with ({}) {}
+
+var trigger = false;
+
+var handler = {
+ get: (target, prop) => {
+ if (trigger) {
+ transplant(newGlobal({newCompartment: true}));
+ }
+ return 1;
+ },
+ getOwnPropertyDescriptor: (target, prop) => {
+ return Object.getOwnPropertyDescriptor(target, prop);
+ }
+}
+
+let {object, transplant} = transplantableObject();
+Object.defineProperty(object, 'x', { value: 1, configurable: false, writable: false });
+
+var proxy = new Proxy(object, handler);
+for (var i = 0; i < 50; i++) {
+ foo(proxy);
+}
+
+trigger = true;
+foo(proxy);