Speed up long-running test cases.

test/mjsunit/math-floor-part1.js

Index: test/mjsunit/math-floor-part1.js
diff --git a/test/mjsunit/math-floor-part1.js b/test/mjsunit/math-floor-part1.js
index 313f27236a618701e5160da41dcf2de6504dcb89..dd4deb0a06025ccae4b65787c9da71b14b135229 100644
--- a/test/mjsunit/math-floor-part1.js
+++ b/test/mjsunit/math-floor-part1.js
@@ -25,7 +25,7 @@
 // (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: --max-new-space-size=256 --allow-natives-syntax
+// Flags: --max-new-space-size=128 --allow-natives-syntax
 
 var test_id = 0;
 
@@ -83,6 +83,7 @@ function test() {
 
 
 // Test in a loop to cover the custom IC and GC-related issues.
-for (var i = 0; i < 100; i++) {
+for (var i = 0; i < 10; i++) {
   test();
+  new Array(i * 10000);
 }