Migrated several tests from blink to V8 repository.

test/webkit/dfg-uint32-to-number.js

Index: test/webkit/dfg-uint32-to-number.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/dfg-uint32-to-number.js
similarity index 77%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/dfg-uint32-to-number.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..f7c11d1e231b69f8f413dbb14bc44faaa6567b07 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/dfg-uint32-to-number.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."
+"This tests that if the DFG fails to convert a uint32 to a number, it will OSR exit correctly."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+function foo(a,b) {
+    return a.f >>> b.f;
+}
 
+var result = 0;
+for (var i = 0; i < 1000; ++i) {
+    result += foo({f:i + 0.5}, {f:2});
+}
+
+shouldBe("result", "124500");
+
+shouldBe("foo({f:2147483648}, {f:32})", "2147483648");
+shouldBe("foo({f:2147483648}, {f:31})", "1");
+shouldBe("foo({f:2147483648}, {f:30})", "2");