Migrated several tests from blink to V8 repository.

test/webkit/dfg-captured-var-get-local.js

Index: test/webkit/dfg-captured-var-get-local.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-captured-var-get-local.js
similarity index 53%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-captured-var-get-local.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..4abac74771fd4eec737b34e578f3bf11208c12f2 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-captured-var-get-local.js
@@ -22,10 +22,80 @@
 // 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 GetLocals on captured variables aren't eliminated too aggressively."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
-
+function foo() {
+    var x;
+    (function(){
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+        x = 42;
+    })();
+    var y = x;
+    return y;
+}
 
+for (var i = 0; i < 100; ++i)
+    shouldBe("foo()", "42");