--TEST--
SCCP 026: Elimination of dead code due to conflicting type checks
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.optimization_level=-1
opcache.opt_debug_level=0x20000
opcache.preload=
zend_test.observer.enabled=0
--EXTENSIONS--
opcache
--FILE--
<?php
function test($var) {
    if (!is_string($var) || (is_object($var) && !method_exists($var, '__toString'))) {
        return;
    }

    var_dump($username);
}
?>
--EXPECTF--
$_main:
     ; (lines=1, args=0, vars=0, tmps=0)
     ; (after optimizer)
     ; %s:1-10
0000 RETURN int(1)

test:
     ; (lines=9, args=1, vars=2, tmps=1)
     ; (after optimizer)
     ; %s:2-8
0000 CV0($var) = RECV 1
0001 T2 = TYPE_CHECK (string) CV0($var)
0002 JMPZ T2 0004
0003 JMP 0005
0004 RETURN null
0005 INIT_FCALL 1 %d string("var_dump")
0006 SEND_VAR CV1($username) 1
0007 DO_ICALL
0008 RETURN null