Poison .arguments and .caller for generator functions

src/builtins.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "v8.h"
 
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "builtins.h"
@@ skipping 1050 matching lines @@
     }
   }
 
   ASSERT(j == result_len);
 
   return *result_array;
 }
 
 
 // -----------------------------------------------------------------------------
-// Strict mode poison pills
+// Generator and strict mode poison pills
 
 
 BUILTIN(StrictModePoisonPill) {
   HandleScope scope(isolate);
   return isolate->Throw(*isolate->factory()->NewTypeError(
       "strict_poison_pill", HandleVector<Object>(NULL, 0)));
 }
 
 
+BUILTIN(GeneratorPoisonPill) {
+  HandleScope scope(isolate);
+  return isolate->Throw(*isolate->factory()->NewTypeError(
+      "generator_poison_pill", HandleVector<Object>(NULL, 0)));
+}
+
+
 // -----------------------------------------------------------------------------
 //
 
 
 // Searches the hidden prototype chain of the given object for the first
 // object that is an instance of the given type.  If no such object can
 // be found then Heap::null_value() is returned.
 static inline Object* FindHidden(Heap* heap,
                                  Object* object,
                                  FunctionTemplateInfo* type) {
@@ skipping 615 matching lines @@
 }
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 } }  // namespace v8::internal