Synchronize with r15594.

test/intl/number-format/default-locale.js

Index: test/intl/number-format/default-locale.js
diff --git a/test/mjsunit/regress/regress-2593.js b/test/intl/number-format/default-locale.js
similarity index 76%
copy from test/mjsunit/regress/regress-2593.js
copy to test/intl/number-format/default-locale.js
index b51b41c27e65d8f6344f3cc22f9fec2c5a99b92d..0d5e24dd70628e86385af4b9b50fad1bab332d69 100644
--- a/test/mjsunit/regress/regress-2593.js
+++ b/test/intl/number-format/default-locale.js
@@ -25,37 +25,20 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --expose_gc
+// Constructing NumberFormat with no locale arguments or with []
+// creates one with default locale.
 
-p1 =  { };
-p2 =  { };
-p3 =  { x : 1 };
-p2.__proto__ = p3
-p1.__proto__ = p2
+var nf = new Intl.NumberFormat([]);
 
-// Normalize p1.
-p1.z = 1
-delete p1.z
+var options = nf.resolvedOptions();
 
-// Make sure all objects are in old space.
-for (var i = 0; i < 10; i++) gc();
+// Check it's none of these first.
+assertFalse(options.locale === 'und');
+assertFalse(options.locale === '');
+assertFalse(options.locale === undefined);
 
-function f2() {
-  p2.x;
-}
+// Then check for equality.
+assertEquals(options.locale, getDefaultLocale());
 
-function f1() {
-  return p1.x;
-}
-
-// Create load stub in p2.
-for (var i = 0; i < 10; i++) f2();
-
-// Create load stub in p2 for p1.
-for (var i = 0; i < 10; i++) f1();
-
-assertEquals(1, f1());
-
-p2.x = 2;
-
-assertEquals(2, f1());
+var nfNone = new Intl.NumberFormat();
+assertEquals(options.locale, nfNone.resolvedOptions().locale);