Hydrogen: fix keyed loads with string keys

src/typing.cc

Index: src/typing.cc
diff --git a/src/typing.cc b/src/typing.cc
index 0bfe3af997d023779078bdb5a6d4451af9a80d82..88c530eeee7bca2a38d78c187b8384fb1f5ed5f9 100644
--- a/src/typing.cc
+++ b/src/typing.cc
@@ -507,14 +507,17 @@ void AstTyper::VisitProperty(Property* expr) {
       }
     } else {
       bool is_string;
+      IcCheckType key_type;
       if (FLAG_vector_ics) {
         oracle()->KeyedPropertyReceiverTypes(slot, expr->GetReceiverTypes(),
                                              &is_string);
+        key_type = ELEMENT;

[Jakob Kummerow, 2014/12/15 13:07:57]

Yeah, actually this is a problem, because it means --vector-ics (which is the
future) will break this mechanism. But I've talked to mvstanton@ and he's
graciously offered to add support for this to the --vector-ics system.

       } else {
         oracle()->KeyedPropertyReceiverTypes(id, expr->GetReceiverTypes(),
-                                             &is_string);
+                                             &is_string, &key_type);
       }
       expr->set_is_string_access(is_string);
+      expr->set_key_type(key_type);
     }
   }