Revert of [runtime] Remove useless IN builtin.

test/cctest/compiler/test-run-inlining.cc

Index: test/cctest/compiler/test-run-inlining.cc
diff --git a/test/cctest/compiler/test-run-inlining.cc b/test/cctest/compiler/test-run-inlining.cc
index 5119bb73ee832cd1f0730869b8bfacba5343d2a9..1b2559fc5f492fd077fcb00ef49ed9b717da17a4 100644
--- a/test/cctest/compiler/test-run-inlining.cc
+++ b/test/cctest/compiler/test-run-inlining.cc
@@ -415,6 +415,20 @@
 }
 
 
+TEST(InlineIntrinsicIsNonNegativeSmi) {
+  FunctionTester T(
+      "(function () {"
+      "  var x = 42;"
+      "  function bar(s,t) { return %_IsNonNegativeSmi(x); };"
+      "  return bar;"
+      "})();",
+      kInlineFlags);
+
+  InstallAssertInlineCountHelper(CcTest::isolate());
+  T.CheckCall(T.true_value(), T.Val(12), T.Val(4));
+}
+
+
 TEST(InlineIntrinsicIsArray) {
   FunctionTester T(
       "(function () {"