Squashed commit of the following:

commit 2399fc84c541da9c2176c5b7f6dd039a3c84dc64
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 12:38:08 2015 +0300

    Removed useless assignment

commit 796b6338174348eee0d74a67706d77b7ce1a60c3
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 12:35:31 2015 +0300

    Fixed execution with overriden zend_execute_ex()

commit 4a9fb125aa999059f8bc42ebb6ee573c7866b35b
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 02:02:58 2015 +0300

    Fixed executor without global registers

commit d456c30e00589ccda35a4b57ae903ef2d3c07d95
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 01:30:35 2015 +0300

    Restored original behavior for tests/classes/__call_004.phpt

commit 479646d37fef050536f1afb12b082618f1f1a3d0
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 00:32:17 2015 +0300

    Fixed test. We don't keep stack frame for fake function anymore.

commit 9ae61e33e24b2c811d4ab1ca4ab22847c64a780e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 00:30:09 2015 +0300

    Use ZEND_ACC_CALL_VIA_TRAMPOLINE instead of ZEND_ACC_CALL_VIA_HANDLER. Keep ZEND_ACC_CALL_VIA_HANDLER for compatibility.

commit 0a8403a2a0c27aa3db271774f8559739a6b8400e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Apr 10 00:05:43 2015 +0300

    Rename PROXY_CALL into CALL_TRAMPLINE.
    Generalize API to allow reuse EG(trampline) for other purposes.

commit 4ea0525c10554e36185a0b8b6303106813b6a1c2
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Apr 9 23:22:25 2015 +0300

    Reuse EG(proxy_call_op) for all proxy. Move proxy related functions from zend_objects_API to zend_object_handlers.

commit 529bf737ca388ad56fb4ae20ccb81e6276f25ec0
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Apr 9 21:42:23 2015 +0300

    Accurate use of proxy_call

commit 5d62837d5ba3855743fe1981786ebd65d9da0b63
Merge: 83e749f 690843f
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Apr 9 19:40:00 2015 +0300

    Merge branch 'master' into opcodefy-call

    * master:
      Fixed GOTO executor
      Fixed typo
      Changed ArrayIterator implementation using zend_hash_iterator_... API. Allowed modification of itterated ArrayObject using the same behavior as proposed in `Fix "foreach" behavior`. Removed "Array was modified outside object and internal position is no longer valid" hack.

commit 83e749ff3b6623e39b236a72e9b907d5b788ae5e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Apr 9 19:39:10 2015 +0300

    Improved ZEND_PROXY_CALL

commit 0c829afc534e6d5ff27a0dea3a4815da303bd1ef
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Apr 9 15:14:49 2015 +0300

    Reverted white-space changes

commit df65144488afa3e9020d75e1ada5529b138afc5a
Merge: 5fd2f97 97756d9
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Apr 9 14:37:07 2015 +0300

    Merge branch 'opcodefy-call' of github.com:laruence/php-src into opcodefy-call

    * 'opcodefy-call' of github.com:laruence/php-src:
      Ready for PR
      Fixed static call
      Improve performance by using prealloated op_arrray
      Respect called_scope
      Support internal magical __call/__callStatic
      opcode-fy magical __callStatic
      Opcode-fy magical __call

commit 97756d9190e07a072a7b48135304dc25a964845f
Author: Xinchen Hui <laruence@gmail.com>
Date:   Thu Apr 9 19:07:59 2015 +0800

    Ready for PR

commit 74f993084627061e783645a866390b68e2981698
Author: Xinchen Hui <laruence@gmail.com>
Date:   Thu Apr 9 19:03:00 2015 +0800

    Fixed static call

commit ec1d9eb592db0c3b7b0e3d21e7f445ed8bccfd4d
Author: Xinchen Hui <laruence@gmail.com>
Date:   Thu Apr 9 18:23:17 2015 +0800

    Improve performance by using prealloated op_arrray

commit df7fbbf949c99f2c5ae3da2a1199235651c7cc82
Author: Xinchen Hui <laruence@gmail.com>
Date:   Thu Apr 9 15:10:02 2015 +0800

    Respect called_scope

commit 769d1d59fb48b6f7f93d7412eefbf26135fa3e59
Author: Xinchen Hui <laruence@gmail.com>
Date:   Thu Apr 9 12:19:23 2015 +0800

    Support internal magical __call/__callStatic

commit a980fedd5b0e0683713dd4f6eaad62adf4b4732f
Author: Xinchen Hui <laruence@gmail.com>
Date:   Wed Apr 8 18:35:41 2015 +0800

    opcode-fy magical __callStatic

commit 73855f7d53baa2efc2b8a88314f51c784c81b59d
Author: Xinchen Hui <laruence@gmail.com>
Date:   Wed Apr 8 14:21:55 2015 +0800

    Opcode-fy magical __call

1 files changed, 7 insertions, 2 deletions

diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index d37c2cd1d8..f79169232d 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -803,7 +803,7 @@ int zend_call_function(zend_fcall_info *fci, zend_fcall_info_cache *fci_cache) /
 			Z_ADDREF_P(arg);
 		} else {
 			if (Z_ISREF_P(arg) &&
-			    (func->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) == 0 ) {
+			    !(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
 				/* don't separate references for __call */
 				arg = Z_REFVAL_P(arg);
 			}
@@ -827,6 +827,7 @@ int zend_call_function(zend_fcall_info *fci, zend_fcall_info_cache *fci_cache) /
 	}
 
 	if (func->type == ZEND_USER_FUNCTION) {
+		int call_via_handler = (func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0;
 		EG(scope) = func->common.scope;
 		call->symbol_table = fci->symbol_table;
 		if (UNEXPECTED(func->op_array.fn_flags & ZEND_ACC_CLOSURE)) {
@@ -839,8 +840,12 @@ int zend_call_function(zend_fcall_info *fci, zend_fcall_info_cache *fci_cache) /
 		} else {
 			zend_generator_create_zval(call, &func->op_array, fci->retval);
 		}
+		if (call_via_handler) {
+			/* We must re-initialize function again */
+			fci_cache->initialized = 0;
+		}
 	} else if (func->type == ZEND_INTERNAL_FUNCTION) {
-		int call_via_handler = (func->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0;
+		int call_via_handler = (func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0;
 		ZVAL_NULL(fci->retval);
 		if (func->common.scope) {
 			EG(scope) = func->common.scope;