Reimplemented Bob's commit bac6fdb0c52c924e726c5a78de8858bf27b6586b without insignificant renaming and white-space changes

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()

bump year which is missed in rev 49493a2

Fixed bug #70805 (Segmentation faults whilst running Drupal 8 test suite)

Fixed return without value

Fixed bug #69534 (Cycle leaks through declared properties on internal classes)

Change the GC approach to inner-loops handling. Switch to less efficient but more robust algorithm. Destructors handling is still not completely accurate.

Added GC checks and improvements

Fixed bug #69446 (GC leak relating to removal of nested data after dtors run)

Fixed memory leak in ext/standard/tests/array/compact_variation1.phpt

GC improved to support inner-cycles.

GC tweaks

Add support for more debug output during CC

Compile with ZEND_DEBUG_GC=2

Temporary fix inifite loop in gc

Added GC debug code and some small optimizations.

Merge branch 'PHP-5.6'

* PHP-5.6:
Prevent GC from changing zval or object 'color' before they are actually inserted into possible roots buffer.

Conflicts:
NEWS

Merge branch 'PHP-5.6'

* PHP-5.6:
Prevent GC from changing zval or object 'color' before they are actually inserted into possible roots buffer.

Conflicts:
NEWS
Zend/zend_gc.c

show more ...

Prevent GC from changing zval or object 'color' before they are actually inserted into possible roots buffer.

Use fastcall calling convention for most critical ZE subsystems.

Merged zend_array and HashTable into the single data structure.
Now each HashTable is also zend_array, so it's refcounted and may be a subject for Copy on Write
zend_array_dup() was changed t

Merged zend_array and HashTable into the single data structure.
Now each HashTable is also zend_array, so it's refcounted and may be a subject for Copy on Write
zend_array_dup() was changed to allocate and return HashTable, instead of taking preallocated HashTable as argument.

show more ...

Removed TSRMLS_D

Make gc_collect_cycles hookable.

It doesn't make sense to colect garbage after fatal errors

Revert "Fixed ASSERTION"

This reverts commit 76f438e06fc61d32272a1f9877266c8d97d871ba.

Fixed ASSERTION