Migrated several tests from blink to V8 repository.

test/webkit/dfg-bool-to-int32-reuse.js

Index: test/webkit/dfg-bool-to-int32-reuse.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-bool-to-int32-reuse.js
similarity index 85%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-bool-to-int32-reuse.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..8e7c72a6df5d2431d29acb3516ccb2448f4fa85e 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-bool-to-int32-reuse.js
@@ -22,10 +22,12 @@
 // 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 using a value predicted boolean after it is converted to an int32 doesn't crash the compiler while causing bad code gen."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
-
+function foo(x) {
+    return [x << 1, x];
+}
 
+for (var i = 0; i < 100; ++i)
+    shouldBe("foo(true)", "[2, true]");