Migrated several tests from blink to V8 repository.

test/webkit/codegen-assign-nontemporary-as-rexp.js

Index: test/webkit/codegen-assign-nontemporary-as-rexp.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/codegen-assign-nontemporary-as-rexp.js
similarity index 69%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/codegen-assign-nontemporary-as-rexp.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..15fd1ecf5c3e02d613db8965cc8709900ce5ad4d 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/codegen-assign-nontemporary-as-rexp.js
@@ -22,10 +22,35 @@
 // 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 whether bytecode codegen properly handles assignment as righthand expression.'
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
 
+function assign_as_rexp_1() {
+  var obj = {};
+  var victim = 'PASS';
+  obj.__defineSetter__('slot',
+      function(v) {
+          victim = 'FAIL';
+      });
+  var obj2 = {};
+  obj2.forward = (obj['slot'] = victim);
+  return obj2.forward;
+};
 
+shouldBe("assign_as_rexp_1()", "'PASS'");
+
+
+function assign_as_rexp_2() {
+  var obj = {};
+  var victim = 'PASS';
+  obj.__defineSetter__('slot',
+      function(v) {
+          victim = 'FAIL';
+      });
+  var obj2 = {};
+  obj2.forward = (obj.slot = victim);
+  return obj2.forward;
+};
+
+shouldBe("assign_as_rexp_2()", "'PASS'");