Replace always true condition with ZEND_ASSERT()

diff --git a/ext/standard/math.c b/ext/standard/math.c
index 8285edeeda7dcdb4f33fe5c64a56350f179e013f..ed367823edf6f0d6a0c3b679bbf2494626ce318c 100644 (file)
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -929,9 +929,10 @@ PHPAPI zend_string * _php_math_longtobase(zval *arg, int base)
        *ptr = '\0';
 
        do {
+               ZEND_ASSERT(ptr > buf);
                *--ptr = digits[value % base];
                value /= base;
-       } while (ptr > buf && value);
+       } while (value);
 
        return zend_string_init(ptr, end - ptr, 0);
 }