Migrated several tests from blink to V8 repository.

test/webkit/getter-setter-gc.js

Index: test/webkit/getter-setter-gc.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/getter-setter-gc.js
similarity index 83%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/getter-setter-gc.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..108d8f2626ac317a4171cede2c5c4daf00b3c6ea 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/getter-setter-gc.js
@@ -22,10 +22,20 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+"This test checks whether getters and setters work correctly with garbage collection."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var o = {};
+o.__defineGetter__("x", function() { return 242; })
 
+shouldBe('o.x', '242');
 
+// Force a gc
+var i = 0;
+var s;
+while (i < 5000) {
+    i = i+1.11;
+    s = s + " ";
+}
+
+shouldBe('o.x', '242')