Avoid signed shift

Mirieri · Sep 24, 2019 · a369430 · a369430
1 parent 3c28a4a
commit a369430
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ext/opcache/Optimizer/zend_inference.h b/ext/opcache/Optimizer/zend_inference.h
@@ -30,7 +30,7 @@
 
 //TODO: remome MAY_BE_RC1, MAY_BE_RCN???
 #define MAY_BE_RC1                  (1<<30) /* may be non-reference with refcount == 1 */
-#define MAY_BE_RCN                  (1<<31) /* may be non-reference with refcount > 1  */
+#define MAY_BE_RCN                  (1u<<31) /* may be non-reference with refcount > 1  */
 
 #define MAY_HAVE_DTOR \
 	(MAY_BE_OBJECT|MAY_BE_RESOURCE \