1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/call-generic-fun-call.js b/js/src/jit-test/tests/ion/call-generic-fun-call.js
new file mode 100644
index 0000000000..d3e7671dea
--- /dev/null
+++ b/js/src/jit-test/tests/ion/call-generic-fun-call.js
@@ -0,0 +1,20 @@
+// Test that the generic call trampoline implements fun_call correctly,
+// even nested fun_call.
+
+function foo(f) {
+  var call = f.call;
+  return call.call(call, call, call, f, {}, 1);
+}
+
+function f1(x) { return x; }
+var f2 = f1.bind({});
+var f3 = Math.log;
+var f4 = { call: () => { return 2;} }
+
+with ({}) {}
+for (var i = 0; i < 2000; i++) {
+  assertEq(foo(f4), 2);
+  assertEq(foo(f1), 1);
+  assertEq(foo(f2), 1);
+  assertEq(foo(f3), 0);
+}