Merge branch 'PHP-7.4'

diff --cc Zend/zend_execute.c
Simple merge

diff --cc tests/lang/passByReference_006.phpt
index 0fc2e390ae295b4a3c4c40e73cc920b7c3f7943b,c1478663ca7398b4e753e6fd389a61981a14c1f0..25107b47c81e704dc549d266ccd723f476e004d2
--- 1/tests/lang/passByReference_006.phpt
--- 2/tests/lang/passByReference_006.phpt
+++ b/tests/lang/passByReference_006.phpt
@@@ -97,6 -101,20 +109,18 @@@ object(stdClass)#%d (1) 
  }
  
   ---- Pass uninitialised arrays & objects by ref: static method call ---
 -Deprecated: Non-static method C::refs() should not be called statically in %s on line 39
 -
+ 
+ Warning: Creating default object from empty value in %spassByReference_006.php on line %d
+ 
+ Warning: Creating default object from empty value in %spassByReference_006.php on line %d
+ 
+ Warning: Creating default object from empty value in %spassByReference_006.php on line %d
+ 
+ Warning: Creating default object from empty value in %spassByReference_006.php on line %d
+ 
+ Warning: Creating default object from empty value in %spassByReference_006.php on line %d
+ 
+ Warning: Creating default object from empty value in %spassByReference_006.php on line %d
  array(1) {
    [0]=>
    string(12) "Ref1 changed"