Alternative approach to using type feedback for Symbol-keyed properties

test/mjsunit/keyed-load-with-symbol-key.js

Index: test/mjsunit/keyed-load-with-symbol-key.js
diff --git a/test/mjsunit/keyed-load-with-string-key.js b/test/mjsunit/keyed-load-with-symbol-key.js
similarity index 91%
copy from test/mjsunit/keyed-load-with-string-key.js
copy to test/mjsunit/keyed-load-with-symbol-key.js
index 43889460f622209a1e56a92293ce7cff25c197ab..15562be6bde2eb50ac8b2ce4464c66555240bb50 100644
--- a/test/mjsunit/keyed-load-with-string-key.js
+++ b/test/mjsunit/keyed-load-with-symbol-key.js
@@ -26,21 +26,24 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --allow-natives-syntax
-
+var s = Symbol("foo");
 
 var o = {
-  "foo": "bar",
+  [s]: "bar",
 }
 
 function get(obj, key) {
   return obj[key];
 }
 
-get(o, "foo");
-get(o, "foo");
-get(o, "foo");
+assertEquals("bar", get(o, s));
+get(o, s);
+get(o, s);
 
 %OptimizeFunctionOnNextCall(get);
-get(o, "foo");
+assertEquals("bar", get(o, s));
 
 assertOptimized(get);
+
+get(o, "funny");
+assertUnoptimized(get);