Remove separate maps for function instances

src/contexts.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 120 matching lines @@
   V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \
   V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun) \
   V(FLOAT_ARRAY_FUN_INDEX, JSFunction, float_array_fun) \
   V(DOUBLE_ARRAY_FUN_INDEX, JSFunction, double_array_fun) \
   V(UINT8C_ARRAY_FUN_INDEX, JSFunction, uint8c_array_fun) \
   V(FUNCTION_MAP_INDEX, Map, function_map) \
   V(STRICT_MODE_FUNCTION_MAP_INDEX, Map, strict_mode_function_map) \
   V(FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, function_without_prototype_map) \
   V(STRICT_MODE_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \
     strict_mode_function_without_prototype_map) \
-  V(FUNCTION_INSTANCE_MAP_INDEX, Map, function_instance_map) \
-  V(STRICT_MODE_FUNCTION_INSTANCE_MAP_INDEX, Map, \
-    strict_mode_function_instance_map) \
   V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map)\
   V(ARGUMENTS_BOILERPLATE_INDEX, JSObject, arguments_boilerplate) \
   V(ALIASED_ARGUMENTS_BOILERPLATE_INDEX, JSObject, \
     aliased_arguments_boilerplate) \
   V(STRICT_MODE_ARGUMENTS_BOILERPLATE_INDEX, JSObject, \
     strict_mode_arguments_boilerplate) \
   V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners) \
   V(MAKE_MESSAGE_FUN_INDEX, JSFunction, make_message_fun) \
   V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \
   V(CONFIGURE_GLOBAL_INDEX, JSFunction, configure_global_fun) \
@@ skipping 99 matching lines @@
     GLOBAL_PROXY_INDEX = MIN_CONTEXT_SLOTS,
     SECURITY_TOKEN_INDEX,
     ARGUMENTS_BOILERPLATE_INDEX,
     ALIASED_ARGUMENTS_BOILERPLATE_INDEX,
     STRICT_MODE_ARGUMENTS_BOILERPLATE_INDEX,
     REGEXP_RESULT_MAP_INDEX,
     FUNCTION_MAP_INDEX,
     STRICT_MODE_FUNCTION_MAP_INDEX,
     FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX,
     STRICT_MODE_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX,
-    FUNCTION_INSTANCE_MAP_INDEX,
-    STRICT_MODE_FUNCTION_INSTANCE_MAP_INDEX,
     INITIAL_OBJECT_PROTOTYPE_INDEX,
     BOOLEAN_FUNCTION_INDEX,
     NUMBER_FUNCTION_INDEX,
     STRING_FUNCTION_INDEX,
     STRING_FUNCTION_PROTOTYPE_MAP_INDEX,
     SYMBOL_FUNCTION_INDEX,
     OBJECT_FUNCTION_INDEX,
     INTERNAL_ARRAY_FUNCTION_INDEX,
     ARRAY_FUNCTION_INDEX,
     JS_ARRAY_MAPS_INDEX,
@@ skipping 225 matching lines @@
   static bool IsBootstrappingOrGlobalObject(Object* object);
 #endif
 
   STATIC_CHECK(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_CHECK(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CONTEXTS_H_