Squashed commit of the following:

commit afe963e6cc289696e60c6c679796ba2197c52b3b
Author: Dmitry Stogov <dmitry@zend.com>
Date: Fri Nov 13 15:32:29 2015 +0300

Added ne

Squashed commit of the following:

commit afe963e6cc289696e60c6c679796ba2197c52b3b
Author: Dmitry Stogov <dmitry@zend.com>
Date: Fri Nov 13 15:32:29 2015 +0300

Added news entry

commit a126b891c97848dd7ef8f1abf716328c46e0f19c
Author: Dmitry Stogov <dmitry@zend.com>
Date: Fri Nov 13 15:29:21 2015 +0300

VERIFY_RETURN_TYPE doesn't have to cleanup operand on exception, bacause now, live temporary variables are released by exception unwinder.

commit 0db475e98786e6bcaa8401ee3e0b33743b9a2f2b
Author: Dmitry Stogov <dmitry@zend.com>
Date: Thu Nov 12 22:55:39 2015 +0300

Fixed copy/paste

commit 0ac73fe7174bec9de9a610319a98b259bea67f7f
Author: Dmitry Stogov <dmitry@zend.com>
Date: Wed Nov 11 16:11:50 2015 +0300

Fixed bug #62210 (Exceptions can leak temporary variables)

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Separate common part of compile_file() and compile_string() into zend_compile()

We don't nees zend_op_array->brk_cont_array at run-time anymore.
Move zend_op_array->brk_cont_array into CG(context).brk_cont_array.
Use more compact zend_op_array->live_range instead of zend

We don't nees zend_op_array->brk_cont_array at run-time anymore.
Move zend_op_array->brk_cont_array into CG(context).brk_cont_array.
Use more compact zend_op_array->live_range instead of zend_op_array->brk_cont_array.
Semantic is kept unchanged.

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Fix bug #70650

Revert "Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())"

This reverts commit 517b5536259ecf7697f353f4bfbafde857fc1f81.

Revert "Speed up self::method() calls (no ZEND_FETCH_CLASS)"

This reverts commit 8c33bdb976e957ea67ebffd424e0a133a79c6ebe.

Speed up self::method() calls (no ZEND_FETCH_CLASS)

Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())
This additionally removes support for binding to an unknown (not in parent hierarchy) scope.
Removing suppo

Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())
This additionally removes support for binding to an unknown (not in parent hierarchy) scope.
Removing support for cross-scope is necessary for certain compile-time assumptions (like class constants) to prevent unexpected results

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Reordered field to improve data lacality and reduce L1D CPU cache misses in ZEND_INIT_FCALL opcode family

Simply use 0/1 instead as dmitry suggested

Make ZEND_ECHO and removed ZEND_PRINT distinguishable

Make ZEND_ECHO and removed ZEND_PRINT distinguishable

Added zend_internal_function.reserved[] fields, to allow extensions keep additional associated information.
We didn't have zend_internal_function.reserved[] in PHP5, but we always allocated space

Added zend_internal_function.reserved[] fields, to allow extensions keep additional associated information.
We didn't have zend_internal_function.reserved[] in PHP5, but we always allocated space for zend_function union, and extensions were able to reuse zend_function.op_array.reserved[] even for internal function. Now this is not possible. And extensions have to use zend_function.op_array.reserved[] for user functions and zend_function.internal_function.reserved[] for internal.

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Fixed bug #70532 (respect set_exception_handler in phpdbg)

ZEND_COMPILE_GUARDS compiler option

Removed unused functions

Get rid of memcpy() in MAKE_NOP()

Get rid of ZEND_FAST_CALL_UNBOUND

Move most "finally" related code-generation from pass_two() to compiler.

Try to fix finally issue

Fix valgrind errors in phpdbg

Revert "We cannot safely assume that all op array will be refcount 0 after execution"
This reverts commit b6936adb58288a0606ed847802d9226cddb41e2b.

Fix valgrind errors in phpdbg

Revert "We cannot safely assume that all op array will be refcount 0 after execution"
This reverts commit b6936adb58288a0606ed847802d9226cddb41e2b.

This change turns out to not have been a clever idea and was causing more weirdness than it helped...

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We cannot safely assume that all op array will be refcount 0 after execution
Some extensions may want to analyze or re-run the op array later

Remove FAST_CALL_FROM_CATCH

This was generated for a return from a try block with both a catch
and a finally. However at this point no exception can be active,
because it either didn

Remove FAST_CALL_FROM_CATCH

This was generated for a return from a try block with both a catch
and a finally. However at this point no exception can be active,
because it either didn't exist in the first place or was explicitly
discarded using DISCARD_EXCEPTION.

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Add an option to not generate INIT_FCALL ops for user functions too

Resolve GOTO at compile time and replace it with sequnce of FREE/FE_FREE and JMP.