Missing error on accessing undeclared/inaccessible class constant

[the-liquid-metal]

Bug Description Missing error on accessing undeclared/inaccessible class constant.

Eclipse environment Version: 2023-06 (4.28.0) Build id: 20230608-1333 PDT: 8.0.0.202306050832

System

• PHP Version: 8.2.7, 8.1.20, 8.0.29, 7.4.33 (via https://onlinephp.io/)

To Reproduce Steps to reproduce the behavior: copy-paste this script to the IDE

<?php
declare(strict_types=1);

namespace ns1\ns2;

class Test55 {
    public const PUBLIC_CONST = "foo";
    protected const PROTECTED_CONST = "bar";
    private const PRIVATE_CONST = "baz";

    public static function fnStatic() {
        echo static::PUBLIC_CONST;     // OK
        echo static::PROTECTED_CONST;  // OK
        echo static::PRIVATE_CONST;    // OK
        echo static::UNDEFINED_CONST;  // this statement must trigger error

        echo self::PUBLIC_CONST;     // OK
        echo self::PROTECTED_CONST;  // OK
        echo self::PRIVATE_CONST;    // OK
        echo self::UNDEFINED_CONST;  // this statement must trigger error
    }

    public function fnInstance() {
        echo static::PUBLIC_CONST;     // OK
        echo static::PROTECTED_CONST;  // OK
        echo static::PRIVATE_CONST;    // OK
        echo static::UNDEFINED_CONST;  // this statement must trigger error

        echo self::PUBLIC_CONST;     // OK
        echo self::PROTECTED_CONST;  // OK
        echo self::PRIVATE_CONST;    // OK
        echo self::UNDEFINED_CONST;  // this statement must trigger error

        echo $this::PUBLIC_CONST;     // OK
        echo $this::PROTECTED_CONST;  // OK
        echo $this::PRIVATE_CONST;    // OK
        echo $this::UNDEFINED_CONST;  // this statement must trigger error
    }
}

class Test55b extends Test55 {
    public static function fnStatic() {
        echo static::PUBLIC_CONST;     // OK
        echo static::PROTECTED_CONST;  // OK
        echo static::PRIVATE_CONST;    // this statement must trigger error
        echo static::UNDEFINED_CONST;  // this statement must trigger error

        echo self::PUBLIC_CONST;     // OK
        echo self::PROTECTED_CONST;  // OK
        echo self::PRIVATE_CONST;    // this statement must trigger error
        echo self::UNDEFINED_CONST;  // this statement must trigger error
    }

    public function fnInstance() {
        echo static::PUBLIC_CONST;     // OK
        echo static::PROTECTED_CONST;  // OK
        echo static::PRIVATE_CONST;    // this statement must trigger error
        echo static::UNDEFINED_CONST;  // this statement must trigger error

        echo self::PUBLIC_CONST;     // OK
        echo self::PROTECTED_CONST;  // OK
        echo self::PRIVATE_CONST;    // this statement must trigger error
        echo self::UNDEFINED_CONST;  // this statement must trigger error

        echo $this::PUBLIC_CONST;     // OK
        echo $this::PROTECTED_CONST;  // OK
        echo $this::PRIVATE_CONST;    // this statement must trigger error
        echo $this::UNDEFINED_CONST;  // this statement must trigger error
    }
}

echo Test55::PUBLIC_CONST;     // OK
echo Test55::PROTECTED_CONST;  // this statement must trigger error
echo Test55::PRIVATE_CONST;    // this statement must trigger error
echo Test55::UNDEFINED_CONST;  // this statement must trigger error

$ins1 = new Test55;
echo $ins1::PUBLIC_CONST;     // OK
echo $ins1::PROTECTED_CONST;  // this statement must trigger error
echo $ins1::PRIVATE_CONST;    // this statement must trigger error
echo $ins1::UNDEFINED_CONST;  // this statement must trigger error

function myFunc(Test55 $ins) {
    echo $ins::PUBLIC_CONST;     // OK
    echo $ins::PROTECTED_CONST;  // this statement must trigger error
    echo $ins::PRIVATE_CONST;    // this statement must trigger error
    echo $ins::UNDEFINED_CONST;  // this statement must trigger error
}

$ins1::fnStatic();
$ins1->fnInstance();
myFunc($ins1);

$ins2 = new Test55b;
$ins2::fnStatic();
$ins2->fnInstance();