gcc/testsuite/gdc.test/compilable/b17111.d

   1 alias TestType = ubyte;
   2
   3 void test(immutable TestType a, immutable TestType b, TestType c)
   4 {
   5     switch(c)
   6     {
   7         case a: break;
   8         case (cast(ushort)b): break;
   9         default: assert(false);
  10     }
  11 }