Introduce runtime function %OptimizeFunctionOnNextCall to manually trigger optimization.

test/mjsunit/compiler/inline-param.js

 // Copyright 2010 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
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 //       notice, this list of conditions and the following disclaimer.
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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// Flags: --allow-natives-syntax
+
 // Test that we can inline a call with a parameter.
 function TestInlineOneParam(o, p) {
   // Effect context.
   o.f(p);
   // Value context.
   var x = o.f(p);
   assertEquals(42, x);
   assertEquals(42, o.f(p));
   // Test context.
   if (!o.f(p)) {
     assertTrue(false);  // Should not happen.
   }
 }
 
 var obj = {x:42};
 var o1 = {};
 o1.f = function(o) { return o.x; };
-for (var i = 0; i < 10000; i++) TestInlineOneParam(o1, obj);
+for (var i = 0; i < 5; i++) TestInlineOneParam(o1, obj);
+%OptimizeFunctionOnNextCall(TestInlineOneParam);
+TestInlineOneParam(o1, obj);
 TestInlineOneParam({f: o1.f}, {x:42});
 
 
 function TestInlineTwoParams(o, p) {
   var y = 43;
   // Effect context.
   o.h(y, y);
   // Value context.
   var x = o.h(p, y);
   assertEquals(true, x);
@@ skipping 13 matching lines @@
   assertEquals(true, x);
   assertEquals(false, o.h(y + 1, p + 1));
   // Test context.
   if (!o.h(p + 1, y + 1)) {
     assertTrue(false);  // Should not happen.
   }
 }
 
 var o2 = {};
 o2.h = function(i, j) { return i < j; };
-for (var i = 0; i < 10000; i++) TestInlineTwoParams(o2, 42);
+for (var i = 0; i < 5; i++) TestInlineTwoParams(o2, 42);
+%OptimizeFunctionOnNextCall(TestInlineTwoParams);
+TestInlineTwoParams(o2, 42);
 TestInlineTwoParams({h: o2.h}, 42);