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/* PR c/11885

   Bug: flag4 was allocated into the same byte as the other flags.

   { dg-options "" }

   { dg-do run } */

extern void abort (void);

typedef unsigned char uint8_t;

typedef struct {

    uint8_t flag1:2;

    uint8_t flag2:1;

    uint8_t flag3:1;

    uint8_t flag4;

} __attribute__ ((packed)) MyType;

int main (void)

{

  MyType a;

  MyType *b = &a;

  b->flag1 = 0;

  b->flag2 = 0;

  b->flag3 = 0;

  b->flag4 = 0;

  b->flag4++;

  if (b->flag1 != 0)

    abort ();

  return 0;

}