Merge branch 'PHP-7.1' into PHP-7.2

diff --cc NEWS
index fbbbeae4fa213f8807d7ff72f3fef7cef0577d86,0219e168f3b2f74ceed275aafa5f0e580b3b1996..28f1098aa242782ae9f4598b12003604353582a6
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -36,9 -21,10 +36,10 @@@ PH
  - SOAP:
    . Fixed bug #70469 (SoapClient generates E_ERROR even if exceptions=1 is
      used). (Anton Artamonov)
+   . Fixed bug #75502 (Segmentation fault in zend_string_release). (Nikita)
  
  - SPL:
 -  . Fixed bug #75717 (RecursiveArrayIterator does not traverse arrays by
 +  . Fixed bug #75717 (RecursiveArrayIterator does not traverse arrays by 
      reference). (Nikita)
    . Fixed bug #75242 (RecursiveArrayIterator doesn't have constants from parent
      class). (Nikita)