Fix shift UB in constants

We were shifting out the top bit of a signed integer.

Merge branch 'PHP-7.4'

* PHP-7.4:
fix a spell mistake

fix a spell mistake

possbile => possible

Merge branch 'PHP-7.4'

* PHP-7.4:
Implemented a faster way to access predefined TSRM resources - CG(), EG(), etc.

Implemented a faster way to access predefined TSRM resources - CG(), EG(), etc.

Merge branch 'PHP-7.4'

* PHP-7.4:
Better data packing

Better data packing

Merge branch 'PHP-7.4'

* PHP-7.4:
Fixed bug #77345 (Stack Overflow caused by circular reference in garbage collection)
Add support for MemorySanitizer

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fixed bug #77345 (Stack Overflow caused by circular reference in garbage collection)

Fixed bug #77345 (Stack Overflow caused by circular reference in garbage collection)

Merge branch 'PHP-7.4'

* PHP-7.4:
Fix typos in code comments in Zend/ [skip ci]

Fix typos in code comments in Zend/ [skip ci]

Refactor zend_object_handlers API to pass zend_object* and zend_string* insted of zval(s).

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly used by Vim and Emacs editors
yet with recent changes the once working definitions don't work
anymore in Vim without custom plugins or additional configuration.
Neither are these settings synced across the PHP code base.

A simpler and better approach is EditorConfig and fixing code
using some code style fixing tools in the future instead.

This patch also removes the so called modelines for Vim. Modelines
allow Vim editor specifically to set some editor configuration such as
syntax highlighting, indentation style and tab width to be set in the
first line or the last 5 lines per file basis. Since the php test
files have syntax highlighting already set in most editors properly and
EditorConfig takes care of the indentation settings, this patch removes
these as well for the Vim 6.0 and newer versions.

With the removal of local variables for certain editors such as
Emacs and Vim, the footer is also probably not needed anymore when
creating extensions using ext_skel.php script.

Additionally, Vim modelines for setting php syntax and some editor
settings has been removed from some *.phpt files. All these are
mostly not relevant for phpt files neither work properly in the
middle of the file.

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Adios, yearly copyright ranges

Future-proof email addresses

Update email addresses. We're still @Zend, but future proofing it...

Classify object handlers are required/optional

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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rename ref_dtor_func to rc_dtor_func

Rename zval_dtor_func and ref_dotr_func

Revert "Rename _zval_dtor_func to _ref_dtor_func"

This reverts commit a362ae6b12419369c5cbdbb4e924915f9b196ef6.

Rename _zval_dtor_func to _ref_dtor_func

Added num_roots to gc_status

Removed "gc_" prefix.