Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix #79922: Crash after multiple calls to xml_parser_free()

diff --cc NEWS
index 81f9b29251a28d9735949d07f20fced5237c889b,ec597b415343323fe457fbfac69deba959075451..6f1b166da26225cb3a502c033898b851f40385ba
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -29,7 -27,10 +29,10 @@@ PH
    . Fixed bug #79930 (array_merge_recursive() crashes when called with array
      with single reference). (Nikita)
  
 -06 Aug 2020, PHP 7.3.21
+ - XML:
+   . Fixed bug #79922 (Crash after multiple calls to xml_parser_free()). (cmb)
+ 
 +06 Aug 2020, PHP 7.4.9
  
  - Apache:
    . Fixed bug #79030 (Upgrade apache2handler's php_apache_sapi_get_request_time

diff --cc ext/xml/xml.c
Simple merge