Merge branch 'PHP-7.0' into PHP-7.1

diff --cc NEWS
index 4b64511d9237f969bb2a912278b0aecb6110641a,9226c51cb7a54551e70a5dd08a0d785cc4a4a380..1e43c0e97632a7460f9e251632f10ced358924ed
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -35,6 -43,12 +35,7 @@@ PH
  
  - PCRE:
    . Fixed bug #73483 (Segmentation fault on pcre_replace_callback). (Laruence)
 -  . Fixed bug #73392 (A use-after-free in zend allocator management). 
 -    (Laruence)
 -
 -- PDO_Firebird:
 -  . Fixed bug #73087, #61183, #71494 (Memory corruption in bindParam).
 -    (Dorin Marcoci)
++  . Fixed bug #73612 (preg_*() may leak memory). (cmb)
  
  - Postgres:
    . Fixed bug #73498 (Incorrect SQL generated for pg_copy_to()). (Craig Duncan)

diff --cc ext/pcre/php_pcre.c
Simple merge