Migrated several tests from blink to V8 repository.

test/webkit/dfg-put-by-id-allocate-storage-polymorphic.js

Index: test/webkit/dfg-put-by-id-allocate-storage-polymorphic.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-put-by-id-allocate-storage-polymorphic.js
similarity index 71%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-put-by-id-allocate-storage-polymorphic.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..5a8e2c05a0d0eff5e6477d679236ebee939b0d6d 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-put-by-id-allocate-storage-polymorphic.js
@@ -22,10 +22,37 @@
 // 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 a polymorphic DFG PutById that allocates property storage works."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function foo(o) {
+    o.a = 1;
+    o.b = 2;
+    o.c = 3;
+    o.d = 4;
+    o.e = 5;
+    o.f = 6;
+    o.g = 7;
+}
+
+for (var i = 0; i < 150; ++i) {
+    var o;
+    if (i % 2)
+        o = {};
+    else
+        o = {foo: 42};
+    foo(o);
+    shouldBe("o.a", "1");
+    shouldBe("o.b", "2");
+    shouldBe("o.c", "3");
+    shouldBe("o.d", "4");
+    shouldBe("o.e", "5");
+    shouldBe("o.f", "6");
+    shouldBe("o.g", "7");
+    if (!(i % 2))
+        shouldBe("o.foo", "42");
+    else
+        shouldBe("o.foo", "void 0");
+}