From: Dmitry Stogov <dmitry@zend.com>
Date: Thu, 14 Feb 2013 09:06:30 +0000 (+0400)
Subject: Disabled unsafe optimization pattern
X-Git-Tag: php-5.5.0beta1~42^2~79
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=91e775df1b04a1da9292ef06a4fd0e56bc3a8cc6;p=php

Disabled unsafe optimization pattern
---

diff --git a/Optimizer/pass2.c b/Optimizer/pass2.c
index ef6c5ac0c3..b600e6b40b 100644
--- a/Optimizer/pass2.c
+++ b/Optimizer/pass2.c
@@ -81,7 +81,8 @@ if (ZEND_OPTIMIZER_PASS_2 & OPTIMIZATION_LEVEL) {
 			case ZEND_JMPZ_EX:
 			case ZEND_JMPNZ_EX:
 				/* convert Ti = JMPZ_EX(Ti, L) to JMPZ(Ti, L) */
-				if (ZEND_OP1_TYPE(opline) == IS_TMP_VAR &&
+				if (0 && /* FIXME: temorary disable unsafe pattern */
+				    ZEND_OP1_TYPE(opline) == IS_TMP_VAR &&
 				    ZEND_RESULT_TYPE(opline) == IS_TMP_VAR &&
 				    ZEND_OP1(opline).var == ZEND_RESULT(opline).var) {
 					opline->opcode -= 3;