Install the 'name' property in classes at runtime

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 205 matching lines @@
   V(WASM_INSTANCE_SYM_INDEX, Symbol, wasm_instance_sym)                        \
   V(SLOPPY_ASYNC_FUNCTION_MAP_INDEX, Map, sloppy_async_function_map)           \
   V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map)   \
   V(SLOW_ALIASED_ARGUMENTS_MAP_INDEX, Map, slow_aliased_arguments_map)         \
   V(STRICT_ASYNC_FUNCTION_MAP_INDEX, Map, strict_async_function_map)           \
   V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map)                     \
   V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map)                       \
   V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map,                          \
     strict_function_without_prototype_map)                                     \
   V(STRICT_GENERATOR_FUNCTION_MAP_INDEX, Map, strict_generator_function_map)   \
+  V(CLASS_FUNCTION_MAP_INDEX, Map, class_function_map)                         \
   V(STRING_FUNCTION_INDEX, JSFunction, string_function)                        \
   V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map)   \
   V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function)                        \
   V(TYPED_ARRAY_FUN_INDEX, JSFunction, typed_array_function)                   \
   V(TYPED_ARRAY_PROTOTYPE_INDEX, JSObject, typed_array_prototype)              \
   V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun)                      \
   V(UINT16X8_FUNCTION_INDEX, JSFunction, uint16x8_function)                    \
   V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun)                      \
   V(UINT32X4_FUNCTION_INDEX, JSFunction, uint32x4_function)                    \
   V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun)                        \
@@ skipping 271 matching lines @@
       return is_strict(language_mode) ? STRICT_GENERATOR_FUNCTION_MAP_INDEX
                                       : SLOPPY_GENERATOR_FUNCTION_MAP_INDEX;
     }
 
     if (IsAsyncFunction(kind)) {
       return is_strict(language_mode) ? STRICT_ASYNC_FUNCTION_MAP_INDEX
                                       : SLOPPY_ASYNC_FUNCTION_MAP_INDEX;
     }
 
     if (IsClassConstructor(kind)) {
-      // Use strict function map (no own "caller" / "arguments")
-      return STRICT_FUNCTION_MAP_INDEX;
+      // Like the strict function map, but with no 'name' accessor. 'name'
+      // needs to be the last property and it is added during instantiation,
+      // in case a static property with the same name exists"
+      return CLASS_FUNCTION_MAP_INDEX;
     }
 
     if (IsArrowFunction(kind) || IsConciseMethod(kind) ||
         IsAccessorFunction(kind)) {
       return STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX;
     }
 
     return is_strict(language_mode) ? STRICT_FUNCTION_MAP_INDEX
                                     : SLOPPY_FUNCTION_MAP_INDEX;
   }
@@ skipping 23 matching lines @@
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_H_