Reland: [modules] Properly initialize declared variables.

src/contexts.h

 // 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.
 
 #ifndef V8_CONTEXTS_H_
 #define V8_CONTEXTS_H_
 
 #include "src/heap/heap.h"
 #include "src/objects.h"
 
@@ skipping 18 matching lines @@
 //
 // Contexts are implemented as FixedArray objects; the Context
 // class is a convenience interface casted on a FixedArray object.
 //
 // Note: Context must have no virtual functions and Context objects
 // must always be allocated via Heap::AllocateContext() or
 // Factory::NewContext.
 
 #define NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(V)                           \
   V(IS_ARRAYLIKE, JSFunction, is_arraylike)                             \
+  V(GENERATOR_NEXT_INTERNAL, JSFunction, generator_next_internal)       \
   V(GET_TEMPLATE_CALL_SITE_INDEX, JSFunction, get_template_call_site)   \
   V(MAKE_ERROR_INDEX, JSFunction, make_error)                           \
   V(MAKE_RANGE_ERROR_INDEX, JSFunction, make_range_error)               \
   V(MAKE_SYNTAX_ERROR_INDEX, JSFunction, make_syntax_error)             \
   V(MAKE_TYPE_ERROR_INDEX, JSFunction, make_type_error)                 \
   V(MAKE_URI_ERROR_INDEX, JSFunction, make_uri_error)                   \
   V(OBJECT_DEFINE_PROPERTIES, JSFunction, object_define_properties)     \
   V(OBJECT_DEFINE_PROPERTY, JSFunction, object_define_property)         \
   V(OBJECT_FREEZE, JSFunction, object_freeze)                           \
   V(OBJECT_GET_PROTOTYPE_OF, JSFunction, object_get_prototype_of)       \
@@ skipping 508 matching lines @@
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_H_