Eliminate unnecessary IS_INDIRECT guards

Check reference guard once

Move AVOID_REFCOUNTING type info flag into a separate bit

Improve tracing JIT for FETCH_THIS + FETCH_OBJ_*

BIND_GLOBAL and BIND_STATIC don't use value of the first operand

Tracing JIT (it doesn't support register allocation yet)

Use opcache.jit=1255 to swith it on (the third digit 5 really matters)
Use opcache.jit_debug=0xff001 to see how it works and what

Tracing JIT (it doesn't support register allocation yet)

Use opcache.jit=1255 to swith it on (the third digit 5 really matters)
Use opcache.jit_debug=0xff001 to see how it works and what code it generates

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Improve SSA representation of FE_FETCH

The op2 of FE_FETCH is only written if the loop edge is taken.
Fix up the SSA form to use the pre-assignment value if the exit
edge is taken.

Improve SSA representation of FE_FETCH

The op2 of FE_FETCH is only written if the loop edge is taken.
Fix up the SSA form to use the pre-assignment value if the exit
edge is taken.

This allows us to properly infer the type of the loop variable,
without letting the pre-loop type leak in.

Closes GH-5040.

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Fix #78880: Final spelling fixes

Fix #78880: Another bunch of spelling errors

Fix merge mistake

Fix DCE with FE_FETCH

For now, don't treat FE_FETCH op2 as no-val use. See GH-4982.

Use RT_CONSTANT() or CT_CONSTANT() macro depending on ZEND_ACC_DONE_PASS_TWO flag

Implement spread operator in arrays

RFC: https://wiki.php.net/rfc/spread_operator_for_array

Closes GH-3640.

Remove copyright years.

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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Remove track_errors and $php_errormsg

This has been deprecated in PHP 7.2 as part of
https://wiki.php.net/rfc/deprecations_php_7_2.

Future-proof email addresses

Future-proof email addresses...

Fix typos in code comments

year++

year++

year++

Cleanup cfg flags & Added ZEND_FUNC_HAS_EXTENED_INFO

Using "enum" types as bit-fields is not portable.

Fixed edge-case in SSA use/def chain construction and type inference.