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Handle empty (NULL) stmt in ast_export

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nikita2206 2015-07-09 18:43:50 +04:00 committed by Nikita Popov
parent 9ee52ca3ae
commit d8a6130660
2 changed files with 15 additions and 0 deletions
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11
Zend/tests/assert/expect_empty_stmt_bug.phpt Normal file
View File

@ -0,0 +1,11 @@
--TEST--
Empty statement in assert() shouldn't segfault
--FILE--
<?php
assert((function () { return true;; })());
echo "ok";
?>
--EXPECT--
ok

4
Zend/zend_ast.c
View File

@ -783,6 +783,10 @@ static void zend_ast_export_var_list(smart_str *str, zend_ast_list *list, int in
static void zend_ast_export_stmt(smart_str *str, zend_ast *ast, int indent)
{
if (!ast) {
return;
}
if (ast->kind == ZEND_AST_STMT_LIST ||
ast->kind == ZEND_AST_TRAIT_ADAPTATIONS) {
zend_ast_list *list = (zend_ast_list*)ast;