Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 55 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/ion/inlining/getelem-getter-proto.js b/js/src/jit-test/tests/ion/inlining/getelem-getter-proto.js
new file mode 100644
index 0000000000..8aab839f1e
--- /dev/null
+++ b/js/src/jit-test/tests/ion/inlining/getelem-getter-proto.js
@@ -0,0 +1,55 @@
+// Test for inlined getters for jsop_getelem accesses, where the getter is a
+// property on the prototype.
+
+// Defined outside of the test functions to ensure they're recognised as
+// constants in Ion.
+var atom1 = "prop1";
+var atom2 = "prop2";
+var sym1 = Symbol();
+var sym2 = Symbol();
+
+function testAtom() {
+    var proto = {
+        get [atom1]() { return 1; },
+        get [atom2]() { return 2; },
+    };
+
+    var holder = Object.create(proto);
+
+    function f() {
+        for (var i = 0; i < 1000; ++i) {
+            var x = holder[atom1];
+            var y = holder[atom2];
+            assertEq(x, 1);
+            assertEq(y, 2);
+        }
+    }
+
+    for (var i = 0; i < 2; i++) {
+        f();
+    }
+}
+testAtom();
+
+function testSymbol() {
+    var proto = {
+        get [sym1]() { return 1; },
+        get [sym2]() { return 2; },
+    };
+
+    var holder = Object.create(proto);
+
+    function f() {
+        for (var i = 0; i < 1000; ++i) {
+            var x = holder[sym1];
+            var y = holder[sym2];
+            assertEq(x, 1);
+            assertEq(y, 2);
+        }
+    }
+
+    for (var i = 0; i < 2; i++) {
+        f();
+    }
+}
+testSymbol();