Limit old space size in test which require a large new space.

test/mjsunit/math-floor-part1.js

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-// Flags: --max-new-space-size=128 --allow-natives-syntax
+// Flags: --max-old-space-size=256 --max-new-space-size=128
+// Flags: --allow-natives-syntax
 
 var test_id = 0;
 
 function testFloor(expect, input) {
   var test = new Function('n',
                           '"' + (test_id++) + '";return Math.floor(n)');
   assertEquals(expect, test(input));
   assertEquals(expect, test(input));
   assertEquals(expect, test(input));
   %OptimizeFunctionOnNextCall(test);
@@ skipping 45 matching lines @@
   testFloor(Infinity, Infinity);
   testFloor(-Infinity, -Infinity);
 }
 
 
 // Test in a loop to cover the custom IC and GC-related issues.
 for (var i = 0; i < 10; i++) {
   test();
   new Array(i * 10000);
 }