Remove zpp fallback code (always use Fast ZPP)

Squashed commit of the following:

commit 3e27fbb3d22b42d181e15c345f1c59a007b6b58c
Author: Andrea Faulds <ajf@ajf.me>
Date: S

Remove zpp fallback code (always use Fast ZPP)

Squashed commit of the following:

commit 3e27fbb3d22b42d181e15c345f1c59a007b6b58c
Author: Andrea Faulds <ajf@ajf.me>
Date: Sun Sep 11 19:14:37 2016 +0100

Keep dummy FAST_ZPP macro for compatibility

commit 8a7cfd00deaa4a3c5026c97580c49c886c72a5b4
Author: Andrea Faulds <ajf@ajf.me>
Date: Mon Sep 5 22:36:03 2016 +0100

Remove FAST_ZPP macro and plain zpp fallback code

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fix unused assignment

Implement \ArgumentCountError exception

Fix is_callable() on abstract method via object

Fix leak when dynamically calling abstract method

Fixed compilation warnings

Added ZEND_ATTRIBUTE_FORMAT to some middind functions.
"%p" replaced by ZEND_LONG_FMT to avoid compilation warnings.
Fixed most incorrect use cases of format specifiers.

Fixed bug #71266 (Missing separation of properties HT in foreach etc).

Add iterable to zend_get_type_by_const()

Add iterable pseudo-type

Fixed white-spaces

Intern some known (and offten used) strings.

Revert "Refactor zval cleanup into single function"

This reverts commit bac6fdb0c52c924e726c5a78de8858bf27b6586b.

Refactor zval cleanup into single function

Also use zval_ptr_dtor_nogc() everywhere in Zend in favor of zval_dtor()

Mark fcc as initialized for object calls

This results in 1% speedup (cycle count) on some real world applications

- get rid of EG(scope). zend_get_executed_scope() should be used instead.
- ichanged zval_update_constant_ex(). Use IS_TYPE_IMMUTABLE flag on shared constants and AST, instead of "inline_change"

- get rid of EG(scope). zend_get_executed_scope() should be used instead.
- ichanged zval_update_constant_ex(). Use IS_TYPE_IMMUTABLE flag on shared constants and AST, instead of "inline_change" parameter.

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Removed "zend_fcall_info.function_table". It was assigned in many places, but is never used.

Warn about invalid strings in arithmetic

Squashed commit of the following:

commit e05d3b67325d4521418483ed924ac9211a188919
Author: Andrea Faulds <ajf@ajf.me>
Date: Wed Mar

Warn about invalid strings in arithmetic

Squashed commit of the following:

commit e05d3b67325d4521418483ed924ac9211a188919
Author: Andrea Faulds <ajf@ajf.me>
Date: Wed Mar 30 01:43:35 2016 +0100

UPGRADING and NEWS

commit 6caf1d4585207d1b02fb06a216cd7da1a1f5e12d
Author: Andrea Faulds <ajf@ajf.me>
Date: Sun Mar 20 21:18:33 2016 +0000

Fixes

commit 6dadb1b0efe5e2ed071e95a55c806519e61377ac
Author: Andrea Faulds <ajf@ajf.me>
Date: Sun Feb 14 02:15:01 2016 +0000

Add test for numeric string errors in assignment

commit bd5f04e8dd576f92a48d25546f4f9a0f57f374de
Author: Andrea Faulds <ajf@ajf.me>
Date: Sat Feb 13 23:53:05 2016 +0000

Add test for numeric string errors

commit c72e92f16d512bcae30cc9639c89bcb08d971742
Author: Andrea Faulds <ajf@ajf.me>
Date: Tue Jan 26 23:28:33 2016 +0000

Add test for scientific notation in integer operations

commit d94c08852d405b3a7ef6c84d24bf7915c890ce78
Author: Andrea Faulds <ajf@ajf.me>
Date: Sun Feb 14 01:25:57 2016 +0000

Disable optimiser evaluation for numeric string errors

commit 30ee954ed13d933e766c68605d683c8ebae3d8ee
Author: Andrea Faulds <ajf@ajf.me>
Date: Sun Feb 14 01:46:25 2016 +0000

fixup

commit a6403b79e054c95e2b7345d787f3092b261eed27
Author: Andrea Faulds <ajf@ajf.me>
Date: Sat Feb 13 22:00:27 2016 +0000

Do not convert error-causing numeric strings ahead-of-time

commit f9dc35401471ef3035954cb6f171826769297548
Author: Andrea Faulds <ajf@ajf.me>
Date: Sat Feb 13 19:15:38 2016 +0000

Disable compile-time evaluation for numeric string errors

commit e05b0cc8496ea082c6db27efd8b8277ef1f785b5
Author: Andrea Faulds <ajf@ajf.me>
Date: Fri Feb 5 11:42:26 2016 +0000

Make _zval_get_long_func_noisy function for inlining

commit 84d66321a57e579759109650c8bb7e3d5002854a
Author: Andrea Faulds <ajf@ajf.me>
Date: Tue Jan 26 23:10:00 2016 +0000

Update tests

commit 5ac4a0cc4bff282e3a15eaa8ab44b67391881a6d
Author: Andrea Faulds <ajf@ajf.me>
Date: Tue Jan 26 22:08:19 2016 +0000

Use is_numeric_string_ex for zval_get_long etc.

commit c21f08848533723331012a62a153de3577731d6a
Author: Andrea Faulds <ajf@ajf.me>
Date: Thu Jan 7 21:13:04 2016 +0000

Update tests

commit 63e214cf8160420bfc51c6a2b4ae32f09ad8e8af
Author: Andrea Faulds <ajf@ajf.me>
Date: Wed Jan 6 00:28:01 2016 +0000

Warn on non-/bad numeric strings in arithmetic

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Removed zend_fcall_info.symbol_table

Fixed bug #71617

Format string fixes

Conflicts:
ext/pgsql/pgsql.c

bump year which is missed in rev 49493a2

bump year which is missed in rev 49493a2

Fixed bug #71109 (ZEND_MOD_CONFLICTS("xdebug") doesn't work)

Make duplicate class constant error for internal class

And drop two duplicate constant declarations from intl. These
were leaking previously.