Introduce phantom weak handles in the API and use them internally for debug info

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 244ed8b7e34d8c0997a4fff4b634e56725ffeba5..889385b584116f44dbc7804c279fb6ab1c2b911d 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -1283,7 +1283,7 @@ Handle<SharedFunctionInfo> Compiler::BuildFunctionInfo(
 
   if (outer_info->is_toplevel() && outer_info->will_serialize()) {
     // Make sure that if the toplevel code (possibly to be serialized),
-    // the inner unction must be allowed to be compiled lazily.
+    // the inner function must be allowed to be compiled lazily.

[jochen (gone - plz use gerrit), 2014/10/20 13:51:14]

nit. not related to this cl

[Erik Corry, 2014/10/20 13:56:37]

Does this mean you would rather leave the spelling error in?

     DCHECK(allow_lazy);
   }