###### JerryScript revision
47bd5d4b910a41fdc517e39edcf9220d8030a61f

###### Build platform
Ubuntu 22.04.3 LTS (Linux 5.19.17 x86_64)

###### Build steps
python3 ./tools/build.py --clean --debug --compile-flag=-fsanitize=address --compile-flag=-m32 --compile-flag=-g --strip=off --lto=off --logging=on --line-info=on --error-message=on --system-allocator=on --stack-limit=20

###### Test case
```javascript
class C1 extends Array{
    #test() {
    }
}
new C1();
```

###### Output
ICE: Assertion 'ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)' failed at /home/lily/Desktop/12-vul-analysis/lastest-jerryscript/jerryscript/jerry-core/ecma/base/ecma-helpers.c(ecma_find_named_property):614.
Error: JERRY_FATAL_FAILED_ASSERTION
Aborted (core dumped)

###### Backtrace
```sh
Program received signal SIGABRT, Aborted.
0xf7fc4549 in __kernel_vsyscall ()
(gdb) bt
#0  0xf7fc4549 in __kernel_vsyscall ()
#1  0xf7487eb7 in ?? () from /lib32/libc.so.6
#2  0xf74374c5 in raise () from /lib32/libc.so.6
#3  0xf74203ac in abort () from /lib32/libc.so.6
#4  0x56738951 in jerry_port_fatal (code=JERRY_FATAL_FAILED_ASSERTION) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-port/common/jerry-port-process.c:29
#5  0x56632fe4 in jerry_fatal (code=JERRY_FATAL_FAILED_ASSERTION) at/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/jrt/jrt-fatals.c:63
#6  0x56633025 in jerry_assert_fail (assertion=0x5674bae0 "ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)", 
    file=0x5674af60 "/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/base/ecma-helpers.c", function=0x5674c9e0 <__func__.22> "ecma_find_named_property", line=614)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/jrt/jrt-fatals.c:83
#7  0x565b6b77 in ecma_find_named_property (obj_p=0xf4e006a0, name_p=0xf5600510) at/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/base/ecma-helpers.c:614
#8  0x5667a49b in opfunc_private_method_or_accessor_add (class_object_p=0xf4e00820, this_obj_p=0xf4e006a0, static_flag=0)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/opcodes.c:919
#9  0x5667aa46 in opfunc_init_class_fields (class_object_p=0xf4e00820, this_val=4108322467) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/opcodes.c:1002
#10 0x565fade0 in ecma_op_function_construct_constructor (func_obj_p=0xf4e00820, new_target_p=0xf4e00820, arguments_list_p=0xffffcaec, arguments_list_len=0)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1644
#11 0x565fb0ba in ecma_op_function_construct (func_obj_p=0xf4e00820, new_target_p=0xf4e00820, arguments_list_p=0xffffcaec, arguments_list_len=0)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1735
#12 0x566859a9 in opfunc_construct (frame_ctx_p=0xffffcac0) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:840
#13 0x566a48e3 in vm_execute (frame_ctx_p=0xffffcac0) at/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:5236
#14 0x566a4f0d in vm_run (shared_p=0xffffcbf0, this_binding_value=4110433411, lex_env_p=0xf5600590) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:5312
#15 0x56683480 in vm_run_global (bytecode_p=0xf44019f0, function_object_p=0xf4e008e0) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:286
#16 0x5657d5f3 in jerry_run (script=4108323043) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/api/jerryscript.c:554
#17 0x567376c3 in jerryx_source_exec_script (path_p=0xffffd14a "test.js") at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-ext/util/sources.c:68
#18 0x56578153 in main (argc=2, argv=0xffffcf24) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-main/main-desktop.c:156
```


Missing private field support for the Array object
This is a GitHub Issue
repo:jerryscript
owner:jerryscript-project
Title : Missing private field support for the Array object
Issue date:

--- start body ---
###### JerryScript revision
47bd5d4b910a41fdc517e39edcf9220d8030a61f

###### Build platform
Ubuntu 22.04.3 LTS (Linux 5.19.17 x86_64)

###### Build steps
python3 ./tools/build.py --clean --debug --compile-flag=-fsanitize=address --compile-flag=-m32 --compile-flag=-g --strip=off --lto=off --logging=on --line-info=on --error-message=on --system-allocator=on --stack-limit=20

###### Test case
```javascript
class C1 extends Array{
    #test() {
    }
}
new C1();
```

###### Output
ICE: Assertion 'ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)' failed at /home/lily/Desktop/12-vul-analysis/lastest-jerryscript/jerryscript/jerry-core/ecma/base/ecma-helpers.c(ecma_find_named_property):614.
Error: JERRY_FATAL_FAILED_ASSERTION
Aborted (core dumped)

###### Backtrace
```sh
Program received signal SIGABRT, Aborted.
0xf7fc4549 in __kernel_vsyscall ()
(gdb) bt
#0  0xf7fc4549 in __kernel_vsyscall ()
#1  0xf7487eb7 in ?? () from /lib32/libc.so.6
#2  0xf74374c5 in raise () from /lib32/libc.so.6
#3  0xf74203ac in abort () from /lib32/libc.so.6
#4  0x56738951 in jerry_port_fatal (code=JERRY_FATAL_FAILED_ASSERTION) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-port/common/jerry-port-process.c:29
#5  0x56632fe4 in jerry_fatal (code=JERRY_FATAL_FAILED_ASSERTION) at/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/jrt/jrt-fatals.c:63
#6  0x56633025 in jerry_assert_fail (assertion=0x5674bae0 "ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)", 
    file=0x5674af60 "/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/base/ecma-helpers.c", function=0x5674c9e0 <__func__.22> "ecma_find_named_property", line=614)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/jrt/jrt-fatals.c:83
#7  0x565b6b77 in ecma_find_named_property (obj_p=0xf4e006a0, name_p=0xf5600510) at/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/base/ecma-helpers.c:614
#8  0x5667a49b in opfunc_private_method_or_accessor_add (class_object_p=0xf4e00820, this_obj_p=0xf4e006a0, static_flag=0)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/opcodes.c:919
#9  0x5667aa46 in opfunc_init_class_fields (class_object_p=0xf4e00820, this_val=4108322467) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/opcodes.c:1002
#10 0x565fade0 in ecma_op_function_construct_constructor (func_obj_p=0xf4e00820, new_target_p=0xf4e00820, arguments_list_p=0xffffcaec, arguments_list_len=0)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1644
#11 0x565fb0ba in ecma_op_function_construct (func_obj_p=0xf4e00820, new_target_p=0xf4e00820, arguments_list_p=0xffffcaec, arguments_list_len=0)
    at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/ecma/operations/ecma-function-object.c:1735
#12 0x566859a9 in opfunc_construct (frame_ctx_p=0xffffcac0) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:840
#13 0x566a48e3 in vm_execute (frame_ctx_p=0xffffcac0) at/home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:5236
#14 0x566a4f0d in vm_run (shared_p=0xffffcbf0, this_binding_value=4110433411, lex_env_p=0xf5600590) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:5312
#15 0x56683480 in vm_run_global (bytecode_p=0xf44019f0, function_object_p=0xf4e008e0) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/vm/vm.c:286
#16 0x5657d5f3 in jerry_run (script=4108323043) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-core/api/jerryscript.c:554
#17 0x567376c3 in jerryx_source_exec_script (path_p=0xffffd14a "test.js") at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-ext/util/sources.c:68
#18 0x56578153 in main (argc=2, argv=0xffffcf24) at /home/ubuntu/Desktop/lastest-jerryscript/jerryscript/jerry-main/main-desktop.c:156
```


--- end body ---
