Added an optimization of class constants and constant calls to some internal functions

Author: dstogov

NEWS

@@ -43,6 +43,8 @@ PHP                                                                        NEWS
     supported by the overlying APIs. (Andrey)
 
 - OPcache:
+  . Added an optimization of class constants and constant calls to some
+    internal functions (Laruence, Dmitry)
   . Added an optimization pass to convert FCALL_BY_NAME into DO_FCALL.
     (Laruence, Dmitry)
   . Added an optimization pass to merged identical constants (and related