Migrated several tests from blink to V8 repository.

test/webkit/duplicate-param-crash.js

Index: test/webkit/duplicate-param-crash.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/duplicate-param-crash.js
similarity index 76%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/duplicate-param-crash.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..29e42fccb9cf4f5f74ab8df9ac98354e43744f02 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/duplicate-param-crash.js
@@ -22,10 +22,21 @@
 // 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 to ensure that activations are built correctly in the face of duplicate parameter names and do not cause crashes.'
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function test1(a, b, b, b, b, b, b) {
+    return function() {
+        return a;
+    }
+}
 
+shouldBe('test1("success")()', '"success"');
 
+function test2(a, a, a, a, a, a, b) {
+    return function() {
+        return b;
+    }
+}
+
+shouldBe('test2("success", "success", "success", "success", "success", "success", "success")()', '"success"');