From 3751efa3dc62ec14f793f43be3e0505348031261 Mon Sep 17 00:00:00 2001
From: Pierrick Charron <pierrick@php.net>
Date: Sun, 7 Aug 2011 06:19:43 +0000
Subject: [PATCH] function_name cannot be false

---
 Zend/zend_builtin_functions.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index c4917ecac27..ce972a3ba8c 100644
--- 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);