Migrated several tests from blink to V8 repository.

test/webkit/dfg-uint32-to-number-skip-then-exit.js

Index: test/webkit/dfg-uint32-to-number-skip-then-exit.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-uint32-to-number-skip-then-exit.js
similarity index 75%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-uint32-to-number-skip-then-exit.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..13029d2f35b4783cc697759138cce1fe70b0cd0d 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-uint32-to-number-skip-then-exit.js
@@ -22,10 +22,24 @@
 // 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 tests that a skipped conversion of uint32 to number does not confuse OSR exit into thinking that the conversion is dead."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function foo(a, b, o) {
+    var x = a >>> b;
+    return o.f + (x | 0);
+}
 
+for (var i = 0; i < 200; ++i) {
+    var o;
+    var expected;
+    if (i < 150) {
+        o = {f:42};
+        expected = 42 + ((i / 2) | 0);
+    } else {
+        o = {f:43, g:44};
+        expected = 43 + ((i / 2) | 0);
+    }
+    shouldBe("foo(i, 1, o)", "" + expected);
+}