1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug754720.js b/js/src/jit-test/tests/ion/bug754720.js
new file mode 100644
index 0000000000..9c8d813fe6
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug754720.js
@@ -0,0 +1,64 @@
+function f2(a) {
+  return f2.arguments;
+}
+
+// The first eager-compiled call will bailout, do not assert.
+f2();
+
+var o;
+o = f2();
+assertEq(o.length, 0);
+
+o = f2(21);
+assertEq(o.length, 1);
+assertEq(o[0], 21);
+
+o = f2(21,42);
+assertEq(o.length, 2);
+assertEq(o[0], 21);
+assertEq(o[1], 42);
+
+// 100 arguments.
+o = f2(0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9);
+for (var i in o)
+    assertEq(o[i], i % 10);
+
+// 200 arguments.
+o = f2(0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9);
+for (var i in o)
+    assertEq(o[i], i % 10);
+
+// 300 arguments.
+o = f2(0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,
+       0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9);
+for (var i in o)
+    assertEq(o[i], i % 10);