Migrated several tests from blink to V8 repository.

test/webkit/regexp-extended-characters-more.js

Index: test/webkit/regexp-extended-characters-more.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/regexp-extended-characters-more.js
similarity index 82%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/regexp-extended-characters-more.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..9cdf6be40e5e624ad15bf762cf96ff0e5b19efdd 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/regexp-extended-characters-more.js
@@ -22,10 +22,9 @@
 // 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 a few cases of extended (> 127) characters in repeat regular expressions."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
-
-
+shouldBe('"foo\\xa0\\xa0\\xa0".replace(/\\xa0*/, "")', '"foo\\xa0\\xa0\\xa0"');
+shouldBe('"foo\\xa0\\xa0\\xa0".replace(/\\xa0+/, "")', '"foo"');
+shouldBe('"foo\\xa0\\xa0\\xa0".replace(/\\xa0*$/, "")', '"foo"');