Missing error on invoking undeclared/inaccessible instance method

[the-liquid-metal]

Bug Description Missing error on invoking undeclared/inaccessible instance method.

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;

// just a dummy
class Test52 {}

class StrictClass1 {
    public function fnPublic() {}
    protected function fnProtected() {}
    private function fnPrivate() {}

    public function test() {
        $this->fnPublic();     // OK
        $this->fnProtected();  // OK
        $this->fnPrivate();    // OK
        $this->fnUndefined();  // this statement must display error
    }
}

class StrictClass2 extends StrictClass1 {
    public function test() {
        $this->fnPublic();     // OK
        $this->fnProtected();  // OK
        $this->fnPrivate();    // this statement must display error
        $this->fnUndefined();  // this statement must display error
    }
}

class LooseClass1 {
    public function fnPublic() {}
    protected function fnProtected() {}
    private function fnPrivate() {}

    public function __call($name, $args) {
        $this->$name(...$args);
    }

    public function test() {
        $this->fnPublic();     // OK
        $this->fnProtected();  // OK
        $this->fnPrivate();    // OK
        $this->fnUndefined();  // OK
    }
}

class LooseClass2 extends LooseClass1 {
    public function test() {
        $this->fnPublic();     // OK
        $this->fnProtected();  // OK
        $this->fnPrivate();    // OK
        $this->fnUndefined();  // OK
    }
}

$strict = new StrictClass1;
$strict->fnPublic();     // OK
$strict->fnProtected();  // this statement must display error
$strict->fnPrivate();    // this statement must display error
$strict->fnUndefined();  // this statement must display error

$loose = new LooseClass1;
$loose->fnPublic();     // OK
$loose->fnProtected();  // OK
$loose->fnPrivate();    // OK
$loose->fnUndefined();  // OK

function myFunc(StrictClass1 $strict, LooseClass1 $loose) {
    $strict->fnPublic();     // OK
    $strict->fnProtected();  // this statement must display error
    $strict->fnPrivate();    // this statement must display error
    $strict->fnUndefined();  // this statement must display error

    $loose->fnPublic();     // OK
    $loose->fnProtected();  // OK
    $loose->fnPrivate();    // OK
    $loose->fnUndefined();  // OK
}

$strict->test();
$loose->test();
myFunc($strict, $loose);
(new StrictClass2)->test();
(new LooseClass2)->test();