Import intl test suite from v8-i18n project

test/intl/break-iterator/wellformed-unsupported-locale.js

Index: test/intl/break-iterator/wellformed-unsupported-locale.js
diff --git a/test/mjsunit/regress/regress-171641.js b/test/intl/break-iterator/wellformed-unsupported-locale.js
similarity index 87%
copy from test/mjsunit/regress/regress-171641.js
copy to test/intl/break-iterator/wellformed-unsupported-locale.js
index 8db6781821325f8f6253eb2df4abb2b362b001c0..49b621100d7d7cbe2761056b2f1f96286abb669d 100644
--- a/test/mjsunit/regress/regress-171641.js
+++ b/test/intl/break-iterator/wellformed-unsupported-locale.js
@@ -24,17 +24,10 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// limitations under the License.
 
-// Flags: --allow-natives-syntax
+// Passing a well formed but unsupported locale falls back to default.
 
-function foo(k, p) {
-  for (var i = 0; i < 1; i++) {
-    p = Math.min(p, i);
-  }
-  m = Math.floor((k | 0) / p);
-}
+var iterator = Intl.v8BreakIterator(['xx']);
 
-foo(0, 1);
-foo(0, 1);
-%OptimizeFunctionOnNextCall(foo);
-foo(0, 1);
+assertEquals(iterator.resolvedOptions().locale, getDefaultLocale());