1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/call-generic-constructor.js b/js/src/jit-test/tests/ion/call-generic-constructor.js
new file mode 100644
index 0000000000..15a8c4b36f
--- /dev/null
+++ b/js/src/jit-test/tests/ion/call-generic-constructor.js
@@ -0,0 +1,21 @@
+// Test that the generic call trampoline handles constructors correctly.
+
+function foo(f) {
+  return new f(1);
+}
+
+with ({}) {}
+
+function f1(x) { this.x = x; }
+function f2(y) { this.y = y; }
+let f3 = f1.bind({});
+let f4 = f1.bind({}, 2);
+let f5 = Uint8Array;
+
+for (var i = 0; i < 500; i++) {
+  assertEq(foo(f1).x, 1);
+  assertEq(foo(f2).y, 1);
+  assertEq(foo(f3).x, 1);
+  assertEq(foo(f4).x, 2);
+  assertEq(foo(f5)[0], 0);
+}