Fix assert in KeyedLoadIC constructor

Don't assert when external array ICs are also handled by the KeyedLoadIC.

BUG=1346
TEST=none

Review URL: http://codereview.chromium.org/6893093

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7712 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ic.h

@@ -328,7 +328,8 @@ class LoadIC: public IC {
 class KeyedLoadIC: public IC {
  public:
   explicit KeyedLoadIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) {
-    ASSERT(target()->is_keyed_load_stub());
+    ASSERT(target()->is_keyed_load_stub() || 
+           target()->is_external_array_load_stub());
   }
 
   MUST_USE_RESULT MaybeObject* Load(State state,