diff -up qt-everywhere-opensource-src-4.8.7/src/xmlpatterns/api/qcoloroutput_p.h.gcc6 qt-everywhere-opensource-src-4.8.7/src/xmlpatterns/api/qcoloroutput_p.h
--- qt-everywhere-opensource-src-4.8.7/src/xmlpatterns/api/qcoloroutput_p.h.gcc6	2015-05-07 09:14:48.000000000 -0500
+++ qt-everywhere-opensource-src-4.8.7/src/xmlpatterns/api/qcoloroutput_p.h	2016-04-15 07:04:19.431268227 -0500
@@ -70,8 +70,8 @@ namespace QPatternist
             ForegroundShift = 10,
             BackgroundShift = 20,
             SpecialShift    = 20,
-            ForegroundMask  = ((1 << ForegroundShift) - 1) << ForegroundShift,
-            BackgroundMask  = ((1 << BackgroundShift) - 1) << BackgroundShift
+            ForegroundMask  = 0x1f << ForegroundShift,
+            BackgroundMask  = 0x7 << BackgroundShift
         };
 
     public: