llvm-gcc-4.0/gcc/testsuite/g++.dg/warn/Wunused-7.C

// PR c++/14481
// { dg-options "-Wunused" }

void func()
{
  struct mybitfields {
    unsigned int s_field:8;
  };
  struct mybitfields s;
  s.s_field = 255;
};