off by one

diff --git a/Zend/zend_API.c b/Zend/zend_API.c
index c7a2faf9586ab20f50e35a5225d76cbc2ea6e1b6..9a31fc5edced19715c991993fcb6c803e76bc9e6 100644 (file)
--- a/Zend/zend_API.c
+++ b/Zend/zend_API.c
@@ -126,7 +126,7 @@ int ParameterPassedByReference(int ht, uint n)
        if (n>arg_count) {
                return FAILURE;
        }
-       arg = (zval *) *(p-arg_count+n);
+       arg = (zval *) *(p-arg_count+n-1);
        return arg->is_ref;
 }