Fixed bug #49866 (Making reference on string offsets crashes PHP)

Fixed bug #50351 (performance regression handling objects, ten times slower in 5.3 than in 5.2. foreach statement should not initiate GC)

- Fixed bug #50255 (isset() and empty() silently casts array to object)

- Fixed bug #49908 (throwing exception in __autoload crashes when interface is not defined)

Fixed memleak in tests/lang/engine_assignExecutionOrder_001.phpt

Fixed bug #46074 (Bus error during running PHP CLI under IRIX 6.5.30)

fix crash when unexpectedly passed by-ref parameter is modified

Fixed ability to call user functions from user opcodes without recursion

Fixed bug #49269 (Ternary operator fails on Iterator object when used inside foreach declaration). (Etienne, Dmitry)

Fixed bug #48912 (Namespace causes unexpected strict behaviour with extract())

MFH: Changed error messages to use "cannot" instead of "can not" (meaning "also can")

MFH: better fix for #48409 , #48428 , #48228

MFH:
Restored double->long conversion behavior to that of PHP 5.2 (on most platforms) and prior:
* Out-of-range numbers overflow/preserve least significant bits (no LONG_MAX/MIN limit)

MFH:
Restored double->long conversion behavior to that of PHP 5.2 (on most platforms) and prior:
* Out-of-range numbers overflow/preserve least significant bits (no LONG_MAX/MIN limit)
* See bug #42868 (presumably-rare platform with different results in 5.2)
* On 32-bit platforms with 64-bit long type, a zend_long64 cast has been added,
otherwise it's the same as 5.2
* Use this conversion method everywhere instead of some plain (long) casts

Added 'L' parameter parsing specifier to ensure a LONG_MAX/MIN limit:
* Essentially what 5.3's new conversion was doing in most cases
* Functions with "limit" or "length" type params could be updated to use this,
and prevent confusing overflow behavior with huge numbers (*also* in 5.2)
- See bug #47854, for example; or even #42868 again

# Test updates coming

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MFH: better fix for #48409 , #48428 , #48228

MFH: Fix aliasing issue (fixes #48409 , #48428 , #48228)

Improved specialization (IS_CONST can't be IS_OBJECT)

Fixed bug #47771 (Exception during object construction from arg call calls object's destructor)

Removed unnecassary checks

Improved speed of conditional jump instructions by checking for most useful case (conditional expression)

Fixed bug #47704 (crashes on some "bad" operations with string offsets)
Removed unnecessary checks

Clenaup deprecated namespace code

[DOC] Remove $this support in closures for PHP 5.3 beta 1
- Implementation notes here:
http://wiki.php.net/rfc/closures/removal-of-this

Removed wrong warning message

Fixed bug #47109 (Memory leak on $a->{"a"."b"} when $a is not an object)

- MFH: Fixed bug #47054 (BC break in static functions called as dynamic)