function_name cannot be false

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index c4917ecac277ab1049d6c9fa21e96cd6c409049b..ce972a3ba8c448680c560cab36f1191b71eb3283 100644 (file)
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -2157,7 +2157,7 @@ ZEND_FUNCTION(debug_print_backtrace)
                        ZEND_PUTS(class_name);
                        ZEND_PUTS(call_type);
                }
-               zend_printf("%s(", function_name?function_name:"main");
+               zend_printf("%s(", function_name);
                if (arg_array) {
                        debug_print_backtrace_args(arg_array TSRMLS_CC);
                        zval_ptr_dtor(&arg_array);