Introduce runtime function %OptimizeFunctionOnNextCall to manually trigger optimization.

test/mjsunit/compiler/property-stores.js

Index: test/mjsunit/compiler/property-stores.js
diff --git a/test/mjsunit/compiler/property-stores.js b/test/mjsunit/compiler/property-stores.js
index 0dec82ad20b14404b24a459bd9138a4d33eb860e..4ffac07ad0f133e5064ec90f6736566282e02546 100644
--- a/test/mjsunit/compiler/property-stores.js
+++ b/test/mjsunit/compiler/property-stores.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
+
 var a = 42;
 
 var obj = {x: 0,
@@ -33,11 +35,17 @@ var obj = {x: 0,
            h: function() { this.x = a; }};
 
 var i;
-for (i = 0; i < 10000; i++) { obj.f(); }
+for (i = 0; i < 5; i++) { obj.f(); }
+%OptimizeFunctionOnNextCall(obj.f);
+obj.f();
 assertEquals(7, obj.x);
 
-for (i = 0; i < 10000; i++) { obj.g(); }
+for (i = 0; i < 5; i++) { obj.g(); }
+%OptimizeFunctionOnNextCall(obj.g);
+obj.g();
 assertEquals(43, obj.x);
 
-for (i = 0; i < 10000; i++) { obj.h(); }
+for (i = 0; i < 5; i++) { obj.h(); }
+%OptimizeFunctionOnNextCall(obj.h);
+obj.h();
 assertEquals(42, obj.x);