1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/class/checkreturn-optimized-out.js b/js/src/jit-test/tests/class/checkreturn-optimized-out.js
new file mode 100644
index 0000000000..10025c9c27
--- /dev/null
+++ b/js/src/jit-test/tests/class/checkreturn-optimized-out.js
@@ -0,0 +1,23 @@
+function h() {}
+
+class Base {}
+
+class C extends Base {
+  constructor(cond) {
+    if (cond) {
+      // Never entered.
+      for (var i = 0; i < args.length; ++i) h();
+    }
+    super();
+  }
+}
+
+function f() {
+  for (var i = 0; i < 10; i++) {
+    var x = new C(false);
+  }
+}
+
+for (var i = 0; i < 3; i++) {
+  f();
+}