3984_fix.patch

--- a/ext/opcache/ZendAccelerator.c
+++ b/ext/opcache/ZendAccelerator.c
@@ -305,7 +305,9 @@ static inline int accel_restart_is_active(void)
 static inline int accel_activate_add(void)
 {
 #ifdef ZEND_WIN32
+       SHM_UNPROTECT();
        INCREMENT(mem_usage);
+       SHM_PROTECT();
 #else
        struct flock mem_usage_lock;

@@ -327,8 +329,10 @@ static inline void accel_deactivate_sub(void)
 {
 #ifdef ZEND_WIN32
        if (ZCG(counted)) {
+               SHM_UNPROTECT();
                DECREMENT(mem_usage);
                ZCG(counted) = 0;
+               SHM_PROTECT();
        }
 #else
        struct flock mem_usage_unlock;