--- /dev/null
+function foo(a, b) {
+ return a.f + b.f;
+}
+
+noInline(foo);
+
+function test(a, b, c) {
+ var result = foo({f:a}, {f:b});
+ if (result != c)
+ throw "Error: expected " + c + " but got: " + result;
+}
+
+for (var i = 0; i < 100000; ++i)
+ test(true, 42, 43);
+
+// Now try some unexpected things, in descending order of possible badness.
+test(true, 2147483647, 2147483648);
+test(false, 42, 42);
+test(1, 2, 3);
+test(true, true, 2);
+test(1.5, 1.5, 3);
+