gdb/testsuite/gdb.cp/anon-union.cc

   1
   2 struct Foo {
   3   union {
   4     int zero;
   5     unsigned int one;
   6   } num1;
   7   struct X {
   8       int rock;
   9       unsigned int rock2;
  10   };
  11   union {
  12     int pebble;
  13     X x;
  14     union {
  15       int qux;
  16       unsigned int mux;
  17     };
  18     unsigned int boulder;
  19   };
  20   union {
  21     int paper;
  22     unsigned int cloth;
  23   };
  24   union {
  25     int two;
  26     unsigned int three;
  27   } num2;
  28 };
  29
  30 union Bar {
  31   int x;
  32   unsigned int y;
  33 };
  34
  35
  36 int main()
  37 {
  38   Foo foo = {0, 0};
  39
  40   foo.paper = 33;
  41   foo.pebble = 44;
  42   foo.mux = 55;
  43
  44   Bar bar = {0};
  45
  46   union {
  47     int z;
  48     unsigned int w;
  49   }; w = 0;
  50
  51   bar.x = 33;
  52
  53   w = 45;
  54
  55   int j = 0;
  56 }