From: Xinchen Hui <laruence@gmail.com>
Date: Mon, 15 Feb 2016 04:09:52 +0000 (+0800)
Subject: Reset op_array->live_range if it is removed all by optimization
X-Git-Tag: php-7.1.0alpha1~617^2~25
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b3f5f5f1bee0e4b52290c519007e801f427ec9df;p=php

Reset op_array->live_range if it is removed all by optimization
---

diff --git a/ext/opcache/Optimizer/zend_optimizer.c b/ext/opcache/Optimizer/zend_optimizer.c
index e2a12de108..e16bef2def 100644
--- a/ext/opcache/Optimizer/zend_optimizer.c
+++ b/ext/opcache/Optimizer/zend_optimizer.c
@@ -379,6 +379,10 @@ void zend_optimizer_remove_live_range(zend_op_array *op_array, uint32_t var)
 				}
 				opline++;
 			}
+			if (j == 0) {
+				efree(op_array->live_range);
+				op_array->live_range = NULL;
+			}
 		}
 		free_alloca(map, use_heap);
 	}