Reduce the number of iterations in some OSR tests by using an explicit %OptimizeOsr().

test/mjsunit/osr-elements-kind.js

Index: test/mjsunit/osr-elements-kind.js
diff --git a/test/mjsunit/osr-elements-kind.js b/test/mjsunit/osr-elements-kind.js
index 518b9847430f93f7bf85daeeecee9797e3f75c9a..389b6dac6f7f5cb90980f2895e20464befe392bd 100644
--- a/test/mjsunit/osr-elements-kind.js
+++ b/test/mjsunit/osr-elements-kind.js
@@ -88,11 +88,10 @@ function assertKind(expected, obj, name_opt) {
   assertEquals(expected, getKind(obj), name_opt);
 }
 
-// long-running loop forces OSR.
 %NeverOptimizeFunction(construct_smis);
 %NeverOptimizeFunction(construct_doubles);
 %NeverOptimizeFunction(convert_mixed);
-for (var i = 0; i < 1000000; i++) { }
+for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }
 
 // This code exists to eliminate the learning influence of AllocationSites
 // on the following tests.