Adjust elements-kind.js expectation when --smi-only-arrays is off

TEST=mjsunit/elements-kind passes both with and without --smi-only-arrays flag

Review URL: http://codereview.chromium.org/8356002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9705 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/elements-kind.js

@@ -237,7 +237,11 @@ function crankshaft_test() {
   var b = [get(1), get(2), get("three")];
   assertKind(elements_kind.fast, b);
   var c = [get(1), get(2), get(3.5)];
+  if (support_smi_only_arrays) {
     assertKind(elements_kind.fast_double, c);
+  } else {
+    assertKind(elements_kind.fast, c);
+  }
 }
 for (var i = 0; i < 3; i++) {
   crankshaft_test();