target_ast       2587 Zend/zend_compile.c 	zend_ast *target_ast = ast->child[0];
target_ast       2594 Zend/zend_compile.c 	if (is_this_fetch(target_ast)) {
target_ast       2597 Zend/zend_compile.c 	zend_ensure_writable_variable(target_ast);
target_ast       2600 Zend/zend_compile.c 	zend_delayed_compile_var(&target_node, target_ast, BP_VAR_W);