Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
  Fixded bug #72736 (Slow performance when fetching large dataset with mysqli / PDO)

diff --cc NEWS
index d4ce1d3f2f34178fad8d7bbee8dbef0f30411187,be6738ae74bb64a343b7efe6bb1e5ee7a1f7fb55..98b6bef4beb25bb5133d781a7764f46d9d75a398
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1,10 -1,12 +1,12 @@@
  PHP                                                                        NEWS
  |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 -?? ??? 2016 PHP 7.0.14
 +?? ??? ????, PHP 7.1.0RC6
  
- 
+ - Core:
+   . Fixded bug #72736 (Slow performance when fetching large dataset with mysqli
+     / PDO). (Dmitry)
  
 -10 Nov 2016 PHP 7.0.13
 +27 Oct 2016, PHP 7.1.0RC5
  
  - Core:
    . Fixed bug #73350 (Exception::__toString() cause circular references).

diff --cc Zend/zend_alloc.c
index f52ce7985ebe9bacda5f45428c0c7ae71c513b80,937340d9c962b0df1ca8516b77e1417a1d3ff332..a3003a457a7c0fddc0da64da78c4d61ebbaa9147
--- 1/Zend/zend_alloc.c
--- 2/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@@ -850,7 -896,8 +850,8 @@@ static void *zend_mm_alloc_pages(zend_m
  #endif
  {
        zend_mm_chunk *chunk = heap->main_chunk;
 -      int page_num, len;
 +      uint32_t page_num, len;
+       int steps = 0;
  
        while (1) {
                if (UNEXPECTED(chunk->free_pages < pages_count)) {