Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 31 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/arguments/redefine-callee.js b/js/src/jit-test/tests/arguments/redefine-callee.js
new file mode 100644
index 0000000000..c200f5326d
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/redefine-callee.js
@@ -0,0 +1,31 @@
+function test() {
+  let count = 0;
+  for (var i = 0; i < 30; i++) {
+    assertEq(arguments.callee, i > 20 ? 3 : test);
+    if (i === 20) {
+      Object.defineProperty(arguments, "callee", {get: function() { count++; return 3; }});
+    }
+  }
+  assertEq(count, 9);
+}
+test();
+
+function testUnusedResult() {
+  let count = 0;
+  for (var i = 0; i < 30; i++) {
+    arguments.callee;
+    if (i === 20) {
+      Object.defineProperty(arguments, "callee", {get: function() { count++; return 3; }});
+    }
+  }
+  assertEq(count, 9);
+}
+testUnusedResult();
+
+function testSetter() {
+  Object.defineProperty(arguments, "callee", {set: function() {}});
+  for (var i = 0; i < 15; i++) {
+    assertEq(arguments.callee, undefined);
+  }
+}
+testSetter();