Hash value must not zero?

laruence · laruence · commit 3753e6d978bf · 2014-12-13T11:42:53.000+08:00
diff --git a/Zend/zend_string.h b/Zend/zend_string.h
@@ -279,6 +279,8 @@ static zend_always_inline zend_ulong zend_inline_hash_func(const char *str, size
 		case 0: break;
 EMPTY_SWITCH_DEFAULT_CASE()
 	}
+
+	ZEND_ASSERT(hash != 0);
 	return hash;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -279,6 +279,8 @@ static zend_always_inline zend_ulong zend_inline_hash_func(const char *str, size`
`279`	`279`	`case 0: break;`
`280`	`280`	`EMPTY_SWITCH_DEFAULT_CASE()`
`281`	`281`	`}`
	`282`	`+`
	`283`	`+ ZEND_ASSERT(hash != 0);`
`282`	`284`	`return hash;`
`283`	`285`	`}`
`284`	`286`