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Merge branch 'PHP-8.5'

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* PHP-8.5:
  Fix crash on (unset) cast in constant expression
This commit is contained in:
Ilija Tovilo
2026-01-29 17:00:43 +01:00
parent db24ca5926 e9ae040629
commit 0dd1bdc3e5
2 changed files with 20 additions and 0 deletions
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17
Zend/tests/ast/gh21072.phpt Normal file
View File

@@ -0,0 +1,17 @@
--TEST--
(unset) cast must not be allowed in constant expressions
--CREDITS--
Viet Hoang Luu (@vi3tL0u1s)
--FILE--
<?php
try {
class C {
public $p = (unset) C::class;
}
new C;
} catch (Error $e) {
echo $e->getMessage();
}
?>
--EXPECTF--
Fatal error: The (unset) cast is no longer supported in %s on line %d

3
Zend/zend_compile.c
View File

@@ -12564,6 +12564,9 @@ static void zend_eval_const_expr(zend_ast **ast_ptr) /* {{{ */
zend_eval_const_expr(&ast->child[1]);
return;
case ZEND_AST_CAST:
if (ast->attr == IS_NULL) {
zend_error_noreturn(E_COMPILE_ERROR, "The (unset) cast is no longer supported");
}
zend_eval_const_expr(&ast->child[0]);
if (ast->child[0]->kind == ZEND_AST_ZVAL
&& zend_try_ct_eval_cast(&result, ast->attr, zend_ast_get_zval(ast->child[0]))) {