add NEWS entry for #68088
Merge branch 'PHP-5.6'

* PHP-5.6:
  add NEWS entry for #68088
add missing NEWS entry for the phpdbg compilation fix
the order of the blocks should be Core, then exts in alphabetical order
Merge branch 'PHP-5.6'

* PHP-5.6:
  the order of the blocks should be Core, then exts in alphabetical order
  add missing NEWS entry for the phpdbg compilation fix
Avoid double checks
Fix bug #68074 Allow to use system cipher list instead of hardcoded value
NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  NEWS
  Fix bug #68074 Allow to use system cipher list instead of hardcoded value
typo
Merge branch 'PHP-5.6'

* PHP-5.6:
  typo
Move list() condition into assign_znode

The condition in compile_foreach was using ->attr instead of ->kind
and as such never passed. It only worked because assign_znode already
supported this case by indirecting via zend_compile_assign. Now it
implements it with a direct call.
Test use($this) being an error
Remove dead code
Fix counting of "R:" references in serialize()
Fixed immutable arrays support
update the certificate used for the test, as it expired recently
Merge branch 'PHP-5.6'

* PHP-5.6:
  update the certificate used for the test, as it expired recently
Fixed C++ incompatibility
Merge branch 'master' of git://github.com/php/php-src