1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/symbol-loose-equal-incompatible.js b/js/src/jit-test/tests/cacheir/symbol-loose-equal-incompatible.js
new file mode 100644
index 0000000000..b1232c2e2c
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/symbol-loose-equal-incompatible.js
@@ -0,0 +1,35 @@
+// Test loose equality comparison between Symbols and String/Boolean/Int32/Double/BigInt.
+
+var xs = [
+  Symbol(), Symbol(), Symbol(), Symbol(),
+  Symbol(), Symbol(), Symbol(), Symbol(),
+];
+
+var ys = [
+  "", "test", true, false,
+  123, 123.5, NaN, 456n,
+];
+
+function testLooseEqual() {
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    assertEq(x == y, false);
+    assertEq(y == x, false);
+  }
+}
+testLooseEqual();
+
+function testLooseNotEqual() {
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    assertEq(x != y, true);
+    assertEq(y != x, true);
+  }
+}
+testLooseNotEqual();