Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/cacheir/shape-teleporting-2.js b/js/src/jit-test/tests/cacheir/shape-teleporting-2.js
new file mode 100644
index 0000000000..1b103d7ec3
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/shape-teleporting-2.js
@@ -0,0 +1,47 @@
+function A(name) { this.name = name; }
+function B() { }
+function C() { }
+
+B.prototype = A0 = new A("0");
+C.prototype = B0 = new B();
+
+var A1 = new A("1");
+var A2 = new A("2");
+
+var B1 = new B();
+var B2 = new B();
+
+var C1 = new C();
+var C2 = new C();
+
+// Object <-+- A0 <-+- B0 <-+
+//          |       |       |
+//          +- A1   +- B1   +- C1
+//          |       |       |
+//          +- A2   +- B2   +- C2
+
+Object.setPrototypeOf(C1, B1);
+Object.setPrototypeOf(C2, B2);
+
+Object.setPrototypeOf(B1, A1);
+Object.setPrototypeOf(B2, A2);
+
+// Object <-+- A0 <--- B0
+//          |
+//          +- A1 <--- B1 <--- C1
+//          |
+//          +- A2 <--- B2 <--- C2
+
+
+function getName(o) { return o.name; }
+
+// Warm up JIT
+for (var i = 0; i < 100; i++) {
+    getName(C1);
+}
+
+assertEq(B1.name, "1");
+assertEq(B2.name, "2");
+
+assertEq(getName(B1), "1");
+assertEq(getName(B2), "2");