Merge branch 'PHP-7.4'

* PHP-7.4:
  Revert "micro-optimization"

This micro optimization caused several bugs in at least Xdebug, while
i_init_func_execute_data is not exported, APIs that are exported call it
this makes their use awkward for no real gain.

diff --cc Zend/zend_execute.c
Simple merge

diff --cc Zend/zend_vm_def.h
Simple merge

diff --cc Zend/zend_vm_execute.h
Simple merge