Clean up dead code after spread desugaring

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 78 matching lines @@
   V(OBJECT_IS_SEALED, JSFunction, object_is_sealed)                       \
   V(OBJECT_KEYS, JSFunction, object_keys)                                 \
   V(REFLECT_APPLY_INDEX, JSFunction, reflect_apply)                       \
   V(REFLECT_CONSTRUCT_INDEX, JSFunction, reflect_construct)               \
   V(REFLECT_DEFINE_PROPERTY_INDEX, JSFunction, reflect_define_property)   \
   V(REFLECT_DELETE_PROPERTY_INDEX, JSFunction, reflect_delete_property)   \
   V(SPREAD_ARGUMENTS_INDEX, JSFunction, spread_arguments)                 \
   V(SPREAD_ITERABLE_INDEX, JSFunction, spread_iterable)
 
 
-#define NATIVE_CONTEXT_JS_BUILTINS(V)                   \
-  V(CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX, JSFunction, \
-    concat_iterable_to_array_builtin)
-
-
 #define NATIVE_CONTEXT_IMPORTED_FIELDS(V)                                     \
   V(ARRAY_CONCAT_INDEX, JSFunction, array_concat)                             \
   V(ARRAY_POP_INDEX, JSFunction, array_pop)                                   \
   V(ARRAY_PUSH_INDEX, JSFunction, array_push)                                 \
   V(ARRAY_SHIFT_INDEX, JSFunction, array_shift)                               \
   V(ARRAY_SPLICE_INDEX, JSFunction, array_splice)                             \
   V(ARRAY_SLICE_INDEX, JSFunction, array_slice)                               \
   V(ARRAY_UNSHIFT_INDEX, JSFunction, array_unshift)                           \
   V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator)           \
   V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap)                     \
@@ skipping 33 matching lines @@
   V(PROMISE_THEN_INDEX, JSFunction, promise_then)                             \
   V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate)                       \
   V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function)             \
   V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function)     \
   V(SET_ADD_METHOD_INDEX, JSFunction, set_add)                                \
   V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete)                          \
   V(SET_HAS_METHOD_INDEX, JSFunction, set_has)                                \
   V(STACK_OVERFLOW_BOILERPLATE_INDEX, JSObject, stack_overflow_boilerplate)   \
   V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function)           \
   V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function)               \
-  V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function)                 \
-  NATIVE_CONTEXT_JS_BUILTINS(V)
+  V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function)
 
 #define NATIVE_CONTEXT_FIELDS(V)                                               \
   V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object)                         \
   V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data)                            \
   /* Below is alpha-sorted */                                                  \
   V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings)    \
   V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun)                      \
   V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map)                             \
   V(ARRAY_FUNCTION_INDEX, JSFunction, array_function)                          \
   V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function)                    \
@@ skipping 326 matching lines @@
   void SetOptimizedCodeListHead(Object* head);
   Object* OptimizedCodeListHead();
   void SetDeoptimizedCodeListHead(Object* head);
   Object* DeoptimizedCodeListHead();
 
   Handle<Object> ErrorMessageForCodeGenerationFromStrings();
 
   static int ImportedFieldIndexForName(Handle<String> name);
   static int IntrinsicIndexForName(Handle<String> name);
 
-  static bool IsJSBuiltin(Handle<Context> native_context,
-                          Handle<JSFunction> function);
-
 #define NATIVE_CONTEXT_FIELD_ACCESSORS(index, type, name) \
   inline void set_##name(type* value);                    \
   inline bool is_##name(type* value);                     \
   inline type* name();
   NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_FIELD_ACCESSORS)
 #undef NATIVE_CONTEXT_FIELD_ACCESSORS
 
   // Lookup the slot called name, starting with the current context.
   // There are three possibilities:
   //
@@ skipping 74 matching lines @@
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_H_