From ed2a5ebaeb9fa1d78832ce08a2664bd3d47babbe Mon Sep 17 00:00:00 2001
From: Xinchen Hui <laruence@gmail.com>
Date: Sun, 24 Sep 2017 18:01:29 +0800
Subject: [PATCH] Fixed bug #75230 (Invalid opcode 49/1/8 using opcache)

---
 NEWS                                   |  3 +++
 ext/opcache/Optimizer/zend_optimizer.c |  1 +
 ext/opcache/tests/bug75230.phpt        | 19 +++++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 ext/opcache/tests/bug75230.phpt

diff --git a/NEWS b/NEWS
index e16d63c9e5e..ab3a5b911b6 100644
--- a/NEWS
+++ b/NEWS
@@ -16,6 +16,9 @@ PHP                                                                        NEWS
 - MySQLi:
   . Fixed bug #75018 (Data corruption when reading fields of bit type). (Anatol)
 
+- Opcache:
+  . Fixed bug #75230 (Invalid opcode 49/1/8 using opcache). (Laruence)
+
 - PCRE:
   . Fixed bug ##75223 (PCRE JIT broken in 7.2). (Dmitry)
 
diff --git a/ext/opcache/Optimizer/zend_optimizer.c b/ext/opcache/Optimizer/zend_optimizer.c
index cc197c0e520..1fc81e1c3a2 100644
--- a/ext/opcache/Optimizer/zend_optimizer.c
+++ b/ext/opcache/Optimizer/zend_optimizer.c
@@ -260,6 +260,7 @@ int zend_optimizer_update_op1_const(zend_op_array *op_array,
 {
 	switch (opline->opcode) {
 		case ZEND_FREE:
+		case ZEND_CHECK_VAR:
 			MAKE_NOP(opline);
 			zval_ptr_dtor_nogc(val);
 			return 1;
diff --git a/ext/opcache/tests/bug75230.phpt b/ext/opcache/tests/bug75230.phpt
new file mode 100644
index 00000000000..13100b36798
--- /dev/null
+++ b/ext/opcache/tests/bug75230.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #75230 (Invalid opcode 49/1/8 using opcache)
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.optimization_level=-1
+--SKIPIF--
+<?php require_once('skipif.inc'); ?>
+--FILE--
+<?php
+function f() {
+	  $retval = false;
+	    if ($retval) { }
+}
+f();
+exit("OK");
+?>
+--EXPECT--
+OK