function_name cannot be false

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index 6e716d2bb0af7348c1806b915810490781277c96..a8cb02f8cf47081a3cc0d2b84c600c2476098261 100644 (file)
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -2047,7 +2047,7 @@ 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);