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Fix lazy proxy bailing __clone assertion #20975

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Fix lazy proxy bailing __clone assertion #20975

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22 changes: 22 additions & 0 deletions Zend/tests/lazy_objects/gh20905.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
--TEST--
GH-20905: Lazy proxy bailing __clone assertion
--FILE--
<?php

function test() {
function f() {}
}

class A {
public $_;
public function __clone() {
test();
}
}

test();
clone (new ReflectionClass(A::class))->newLazyProxy(fn() => new A);

?>
--EXPECTF--
Fatal error: Cannot redeclare function f() (previously declared in %s:%d) in %s on line %d
3 changes: 1 addition & 2 deletions Zend/zend_lazy_objects.c
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Original file line number Diff line number Diff line change
Expand Up @@ -744,12 +744,11 @@ zend_object *zend_lazy_object_clone(zend_object *old_obj)
}
}

OBJ_EXTRA_FLAGS(new_proxy) = OBJ_EXTRA_FLAGS(old_obj);

zend_lazy_object_info *new_info = emalloc(sizeof(*info));
*new_info = *info;
new_info->u.instance = zend_objects_clone_obj(info->u.instance);

OBJ_EXTRA_FLAGS(new_proxy) = OBJ_EXTRA_FLAGS(old_obj);
zend_lazy_object_set_info(new_proxy, new_info);

return new_proxy;
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