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      1 // RUN: %clang_cc1 -emit-llvm %s -o -
      2 
      3 
      4 #ifdef PACKED
      5 // This is an example where size of Packed struct is smaller then
      6 // the size of bit field type.
      7 #define P __attribute__((packed))
      8 #else
      9 #define P
     10 #endif
     11 
     12 struct P M_Packed {
     13   unsigned long long X:50;
     14   unsigned Y:2;
     15 };
     16 
     17 struct M_Packed sM_Packed;
     18 
     19 int testM_Packed (void) {
     20   struct M_Packed x;
     21   return (0 != x.Y);
     22 }
     23 
     24 int testM_Packed2 (void) {
     25   struct M_Packed x;
     26   return (0 != x.X);
     27 }
     28