Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fixed bug #78902
  Add unit test for bug #78902

diff --cc NEWS
index 2dac44405a5924004dd9adf7d7dba82447b4649a,a41b16a3589fb36680123a220268ef659eddeeca..bf3e34e71ca9b31dce8dfdd8a012c8720bcaa572
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -37,24 -25,18 +37,27 @@@ PH
    . Fixed bug #79115 (ReflectionClass::isCloneable call reflected class
      __destruct). (Nikita)
  
 -- SPL:
 -  . Fixed bug #79151 (heap use after free caused by
 -    spl_dllist_it_helper_move_forward). (Nikita)
 -
+ - Standard:
+   . Fixed bug #78902 (Memory leak when using stream_filter_append). (liudaixiao)
+ 
 -23 Jan 2020, PHP 7.3.14
 +23 Jan 2020, PHP 7.4.2
  
 -- Core
 +- Core:
 +  . Preloading support on Windows has been disabled. (Nikita)
 +  . Fixed bug #79022 (class_exists returns True for classes that are not ready
 +    to be used). (Laruence)
 +  . Fixed bug #78929 (plus signs in cookie values are converted to spaces).
 +    (Alexey Kachalin)
 +  . Fixed bug #78973 (Destructor during CV freeing causes segfault if opline
 +    never saved). (Nikita)
 +  . Fixed bug #78776 (Abstract method implementation from trait does not check
 +    "static"). (Nikita)
    . Fixed bug #78999 (Cycle leak when using function result as temporary).
      (Dmitry)
 +  . Fixed bug #79008 (General performance regression with PHP 7.4 on Windows).
 +    (cmb)
 +  . Fixed bug #79002 (Serializing uninitialized typed properties with __sleep
 +    makes unserialize throw). (Nikita)
  
  - CURL:
    . Fixed bug #79033 (Curl timeout error with specific url and post). (cmb)

diff --cc main/streams/streams.c
Simple merge