Fix zend_ast_apply to zend_ast_decl

Author: TimWolla

Zend/zend_ast.c

@@ -1243,6 +1243,13 @@ ZEND_API void zend_ast_apply(zend_ast *ast, zend_ast_apply_func fn, void *contex
 		for (i = 0; i < list->children; ++i) {
 			fn(&list->child[i], context);
 		}
+	} else if (zend_ast_is_decl(ast)) {
+		/* Nothing to do. */
+		zend_ast_decl *decl = (zend_ast_decl*)ast;
+		uint32_t i;
+		for (i = 0; i < 5; ++i) {
+			fn(&decl->child[i], context);
+		}
 	} else {
 		uint32_t i, children = zend_ast_get_num_children(ast);
 		for (i = 0; i < children; ++i) {

Zend/zend_compile.c

@@ -11293,7 +11293,8 @@ static void zend_compile_const_expr(zend_ast **ast_ptr, void *context) /* {{{ */
 			break;
 		case ZEND_AST_CLOSURE:
 			zend_compile_const_expr_closure(ast_ptr);
-			break;
+			/* Return, because we do not want to traverse the children. */
+			return;
 	}
 
 	zend_ast_apply(ast, zend_compile_const_expr, context);