Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
  fix bug #73471 PHP freezes with AppendIterator

diff --cc NEWS
index f77fa5fcc640fd14b5ae63326a4cea940fdecfb0,75da8063fe7c5064417cdf06240fcb77773dcbf9..0965dcd20b4f2fe6c44a8a23937da89913de2c0d
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -6,7 -6,10 +6,10 @@@ PH
    . Fixed bug #74780 (parse_url() borken when query string contains colon). 
      (jhdxr)
  
 -06 Jul 2017 PHP 7.0.21
+ - SPL:
+   . Fixed bug #73471 (PHP freezes with AppendIterator). (jhdxr)
+ 
 +06 Jul 2017, PHP 7.1.7
  
  - Core:
    . Fixed bug #74738 (Multiple [PATH=] and [HOST=] sections not properly

diff --cc ext/spl/spl_iterators.c
Simple merge