Fix for with empty expression lists

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index e30bb4d1235d767aab31fddc049dd55a153e179c..f5734563a00344422f2b23189582719355617ee2 100644 (file)
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -5653,7 +5653,12 @@ void zend_compile_do_while(zend_ast *ast TSRMLS_DC) {
 void zend_compile_expr_list(znode *result, zend_ast *ast TSRMLS_DC) {
        zend_uint i;
 
-       result->op_type = IS_UNUSED;
+       result->op_type = IS_CONST;
+       ZVAL_TRUE(&result->u.constant);
+
+       if (!ast) {
+               return;
+       }
        for (i = 0; i < ast->children; ++i) {
                zend_ast *expr_ast = ast->child[i];