Introduce runtime function %OptimizeFunctionOnNextCall to manually trigger optimization.

test/mjsunit/compiler/inline-compare.js

Index: test/mjsunit/compiler/inline-compare.js
diff --git a/test/mjsunit/compiler/inline-compare.js b/test/mjsunit/compiler/inline-compare.js
index 6efe1542478c488e7c742de424e4f0f64512474d..d97dce2e96b41c7d38fece44ac515042cb90b9c4 100644
--- a/test/mjsunit/compiler/inline-compare.js
+++ b/test/mjsunit/compiler/inline-compare.js
@@ -25,6 +25,8 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// Flags: --allow-natives-syntax
+
 // Test that we can inline a function that returns the result of
 // a compare operation.
 function TestInlineCompare(o) {
@@ -42,5 +44,7 @@ function TestInlineCompare(o) {
 
 var o = {};
 o.f = function() { return 0 === 1; };
-for (var i = 0; i < 10000000; i++) TestInlineCompare(o);
+for (var i = 0; i < 5; i++) TestInlineCompare(o);
+%OptimizeFunctionOnNextCall(TestInlineCompare);
+TestInlineCompare(o);
 TestInlineCompare({f: o.f});