[regexp] Turn last match info into a simple FixedArray

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 81 matching lines @@
   V(PROMISE_CATCH_INDEX, JSFunction, promise_catch)                       \
   V(PROMISE_CREATE_INDEX, JSFunction, promise_create)                     \
   V(PROMISE_FUNCTION_INDEX, JSFunction, promise_function)                 \
   V(PROMISE_HANDLE_INDEX, JSFunction, promise_handle)                     \
   V(PROMISE_HAS_USER_DEFINED_REJECT_HANDLER_INDEX, JSFunction,            \
     promise_has_user_defined_reject_handler)                              \
   V(PROMISE_REJECT_INDEX, JSFunction, promise_reject)                     \
   V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve)                   \
   V(PROMISE_THEN_INDEX, JSFunction, promise_then)                         \
   V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function)         \
-  V(REGEXP_LAST_MATCH_INFO_INDEX, JSObject, regexp_last_match_info)       \
   V(REJECT_PROMISE_NO_DEBUG_EVENT_INDEX, JSFunction,                      \
     reject_promise_no_debug_event)                                        \
   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(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)             \
   V(WASM_COMPILE_ERROR_FUNCTION_INDEX, JSFunction,                        \
@@ skipping 87 matching lines @@
   V(OBJECT_WITH_NULL_PROTOTYPE_MAP, Map, object_with_null_prototype_map)       \
   V(OBJECT_FUNCTION_PROTOTYPE_MAP_INDEX, Map, object_function_prototype_map)   \
   V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function)    \
   V(PROXY_CALLABLE_MAP_INDEX, Map, proxy_callable_map)                         \
   V(PROXY_CONSTRUCTOR_MAP_INDEX, Map, proxy_constructor_map)                   \
   V(PROXY_FUNCTION_INDEX, JSFunction, proxy_function)                          \
   V(PROXY_FUNCTION_MAP_INDEX, Map, proxy_function_map)                         \
   V(PROXY_MAP_INDEX, Map, proxy_map)                                           \
   V(REGEXP_EXEC_FUNCTION_INDEX, JSFunction, regexp_exec_function)              \
   V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function)                        \
+  V(REGEXP_LAST_MATCH_INFO_INDEX, RegExpMatchInfo, regexp_last_match_info)     \
+  V(REGEXP_INTERNAL_MATCH_INFO_INDEX, RegExpMatchInfo,                         \
+    regexp_internal_match_info)                                                \
   V(REGEXP_PROTOTYPE_MAP_INDEX, Map, regexp_prototype_map)                     \
   V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map)                           \
   V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table)      \
   V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function)                        \
   V(SECURITY_TOKEN_INDEX, Object, security_token)                              \
   V(SELF_WEAK_CELL_INDEX, WeakCell, self_weak_cell)                            \
   V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map)                             \
   V(FIXED_ARRAY_ITERATOR_MAP_INDEX, Map, fixed_array_iterator_map)             \
   V(SHARED_ARRAY_BUFFER_FUN_INDEX, JSFunction, shared_array_buffer_fun)        \
   V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map)                     \
@@ skipping 350 matching lines @@
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_H_