Migrated several tests from blink to V8 repository.

test/webkit/dfg-putbyval-cfa-clobber.js

Index: test/webkit/dfg-putbyval-cfa-clobber.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-putbyval-cfa-clobber.js
similarity index 80%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-putbyval-cfa-clobber.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..423a171b6799356fba166cc70b173833526fdb7b 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-putbyval-cfa-clobber.js
@@ -22,10 +22,24 @@
 // 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."
+"Tests that CFA knows that PutByVal can clobber the world."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var theBar;
 
+function foo(a, b) {
+    var x;
+    function bar() {
+        x = 57;
+    }
+    theBar = bar;
+    x = 42;
+    a[b] = 73;
+    return x;
+}
 
+array = [];
+array.__defineSetter__("-1", function(v) { theBar(); });
+
+for (var i = 0; i < 200; ++i)
+    shouldBe("foo(array, -1)", "57");