clang/test/CodeGen/2002-07-30-UnionTest.c

   1 // RUN: %clang_cc1 -emit-llvm %s  -o /dev/null
   2
   3 union X;
   4 struct Empty {};
   5 union F {};
   6 union Q { union Q *X; };
   7 union X {
   8   char C;
   9   int A, Z;
  10   long long B;
  11   void *b1;
  12   struct { int A; long long Z; } Q;
  13 };
  14
  15 union X foo(union X A) {
  16   A.C = 123;
  17   A.A = 39249;
  18   //A.B = (void*)123040123321;
  19   A.B = 12301230123123LL;
  20   A.Z = 1;
  21   return A;
  22 }