Migrated several tests from blink to V8 repository.

test/webkit/dfg-negative-array-index.js

Index: test/webkit/dfg-negative-array-index.js
diff --git a/test/webkit/resources/standalone-post.js b/test/webkit/dfg-negative-array-index.js
similarity index 86%
copy from test/webkit/resources/standalone-post.js
copy to test/webkit/dfg-negative-array-index.js
index d157e78bfa084329e2ec1a9b7d6ad456e904c152..f23c7fb8a95d94db5eed6ed2d7c5368ff5f9a0d2 100644
--- a/test/webkit/resources/standalone-post.js
+++ b/test/webkit/dfg-negative-array-index.js
@@ -21,6 +21,17 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-wasPostTestScriptParsed = true;
+description(
+"Tests that storing into a negative array index works right."
+);
+
+function foo(a, i) {
+    a[i] = 42;
+}
+
+for (var i = 0; i < 100; ++i) {
+    var array = [];
+    foo(array, -1);
+    shouldBe("array[-1]", "42");
+}
 
-finishJSTest();